Lighting

- Single LED 115 lumen light - Water resistant aluminum casing - Multi-fit QR mounting bracket - 3 AAA batteries provide power for up to 18 hours - 3 modes including 2 solid, and one flashing setting

200 lumen USB rechargeable light with excellent side visibility. A versatile rubber strap allows for quick and easy attachment/removal from the handlebar. - Compact rechargeable headlight (200 lm) - Easy to attach and remove, new rubber strap mount - Excellent side visibility - Low battery indicator - USB rechargeable (Micro-USB cable included) - Mode memory function - Three light modes (High / Low / Flashing) - Turns on Flashing mode with double-click of power button Run time: - High mode 200 lumens:approx 1.5hrs - Low mode 40 lumens:approx 13hrs - Flashing mode 200 lumens:approx 30hrs

- Modes include High Steady, Medium Steady, Low Steady, DayTime Pulse, NightTime Pulse, and Economic Flash - Fully USB rechargeable: no batteries to buy or replace - Runtime up to 22.5 hours - Memory function: light turns on at the last mode it was turned off - Power saving function: 10% power or less, lights will automatically switch to lowest lumen output - Built-in battery indicators: RED = less than 25%, GREEN = fully charged

Our latest to-see-by headlight, the Flash 300 brings Flux-style beam control to a more budget-friendly pricepoint. The Flash headlight combines a clean, compact design with a simple-yet-elegant silicone strap that reminds us of a watchband design from our friends in Cupertino. With two different-sized straps included, you can dial in just the right amount of stretch to keep the Flash secure, while ensuring super fast install and removal. Now you see it, now you don't. Thanks to its 700mAh battery pack, the Flash 300 will deliver 300 lumens for 1.5 hours, all the way up to 75 lumens for 6 hours. In Flash mode, you get 150 lumens for 12 hours. - 700mAh rechargeable Li-ion battery pack is an economical choice that delivers real-world usable lumens and runtimes. Micro USB cable included. - Extra bright side lights to give you 180-degree visibility to other cyclists and motorists. - Flash mode: 150 lumens for 12:00 hours - IPX7 waterproof means this light will be there when you need it, even in the hardest rain. - Includes two different-sized straps to fit every round handlebar cockpit. (Flash headlights are not suitable for aero handlebars.) - Installs in seconds with a silicone strap system. Just pull the strap under the handlebar and drop it into the slot on the light body. - Single-LED oval beam pattern gives a perfect blend of spot and peripheral visibility. - Steady High mode: 300 lumens for 1:30 hours - Steady Low mode: 75 lumens for 6:00 hours - Steady Medium mode: 150 lumens for 3:00 hours

Compact cycling safety light with two bright LEDs and a 200-lumen Daytime Flash mode. It features a super lightweight, yet durable co-molded construction that is IPX7 (waterproof) rated. NEW -- Up to 20 hours of runtime (eight hour increase) and up to 200 lumens (20 lumen increase) of output. And it features an integrated USB stick for convenient cable-free recharging. The KTV Drive Front offers five output modes. Specs - Max Lumens: 200 - Weight: 47.5g - Max Runtime: 20 hours - Recharge Time: 2:15

The NiteRider Swift 300 delivers everyday reliable performance in an economical ultra compact head light. Sporting features like an easy on and off handlebar strap mount, low battery indicator and to top it off, it's USB Rechargeable; making it the perfect light of choice for commuters and cycling enthusiasts. Although small in size, make no mistake; the Swift 300 packs a big punch with a maximum light output of 300 lumens! Powered by an internal Lithium Ion battery, in Walk Mode, the Swift 300 can run for up to twenty-seven hours before it needs a charge. - Highly durable design made with fiberglass reinforced plastic - Smooth 300 lumen beam pattern in an ultra compact and lightweight design - Innovative Collimator Lens – optimizes your field of view - Built-in, easy on and off handlebar strap mount - 4 Light Levels plus 1 Daylight Flash Mode - Fuel Gauge / Battery Level Indicator - FL1 Standard IP64, dust and water-resistant - Convenient USB rechargeable WARRANTY - The Swift 300 is backed by NiteRider's lifetime warranty that covers any defects in material and workmanship, mechanical components (housings, covers, mounts and fasteners) and LEDs. SYSTEM INCLUDES - LED Light Head - Internal Li-Ion Battery - Build-in, Handlebar Mount - USB Charging Cable

• 3 watt LED light • 2 modes (1 steady 1 flashing) • Aluminum casing • Uses 4xAAA batteries (included)

With the push of a button, the 2’Fer can switch between a white 60 lumen front light and a red 20 lumen rear light. Holding the button for 2 seconds turns the light on and off, and pushing the button once changes modes between white solid, red solid, white flashing and red flashing. The light also remembers which mode you were last using and turns on in that mode. - Charging cable included, no tools required - Lithium Polymer battery - Waterproof to IP-65 standard - 3 hour recharge time - 18g / 0.04lb each As Front: - 60 Lumens - Runtime: High 1.5hrs, Flashing 5hrs As Rear: - 20 Lumens - Runtime: High 1.5hrs, Flashing 5hrs

The rebirth of an iconic bicycle light, the Frog Front Bike Light: bright, versatile & fun. A design that millions of riders around the world have come to love. Powerful enough for everyday commuting or used to complement an existing lighting set-up. Taking cues from Knog’s more advanced lights, Frog is designed with Chip on Board LED technology, enabling a high intensity light that's compact, low profile and packed with features. - Punchy 40 lumen output - Integrated flexible mounting system - 9 eye-catching modes - Water resistant with IP65 rating - Super lightweight at just 20 grams - USB-C rechargeable (cable not included) - Curved lens provides side illumination - Battery level indicator - Up to 80 hour runtime - Simple one-button operation - Available in 6 fun-loving colours

- Modes include High Steady, Low Steady, DayTime Pulse, NightTime Pulse, and Economic Flash - Fully USB rechargeable: no batteries to buy or replace - Runtime up to 15 hours - Memory function: light turns on at the last mode it was turned off - Power saving function: 10% power or less, lights will automatically switch to lowest lumen output - Built-in battery indicators: RED = less than 25%, GREEN = fully charged

Minimal and mighty! The USB rechargeable Asteroid headlight from Portland Design Works mounts in seconds and shines super brightly with high-quality optics so you can be seen. Ride for up to 24 hours before needing a new charge. - 3 Modes (burn time): Flash (24 hrs), Pulse (5 hrs), Steady (4 hrs) - UV Proof rubber mount  - Double-click lens to turn on/off - Micro USB charge cord included - Weatherproof exterior for all season riding - Weight: 73 g (2.6 oz)

- 1.5 watt, 100-lumen USB-rechargeable headlight - 4 steady modes and 2 flash settings - Low-battery indicator

Not too long ago a 550-lumen headlight for this price would have been a pipe dream, but now the Dayblazer 550 is a dream come true! AWESOME LIGHT. AWESOME PRICE. Featuring eye-popping BLITZ Daytime Running Mode to grab the attention of cars, IP-67 submersibility and ample side visibility, the Dayblazer 550 puts light where riders need it most. - Lithium Battery Packaged: In Product - Recharge Type: Micro-USB rechargeable — Charges via any standard USB port (charging cable included) - Number of Batteries: 1.00 - Brightness: Up to 550 lumens - Batteries Included: Batteries Included - Lithium Battery Energy Content Watt Hours: 10.1 - Battery Type: Lithium Ion - Country of Origin: China - Batteries Needed: Yes - Recharge Time: 3-hour recharge - Mounting Options: Swivel mount - A rotating mount allows the light to be adjusted to center on the road! This versatile silicone mount fits handlebars from 22–35mm and can be used to strap to some helmets. Universal Light Mount action-camera-style mount sold separately - Weight: 59 grams Run Time: - Blitz mode: 1 hour at 550 lumens - High mode: 1.5 hours at 275 lumens - Low mode: 5 hours at 75 lumens - Pulse mode: 5.5 hours at 100 lumens - Strobe mode: 12 hours at 65 lumens Water Resistance: - IP-67 submersible - Ingress protection rating, or "IP Rating," is a techy way to describe the level of water- and dust-proofness of a product. This light meets the IP-67 Standard, which means it is totally protected against dust/grit and fully protected against the effects of immersion between 15cm and 1 meter for 30 minutes.

Safety first, the AMPP400 comes with maximum side visibility, securely held in place with our adjustable FlexTight bracket. FEATURES: - High power rechargeable headlight (400 lm) - Powerful wide beam with OptiCube lens technology - Excellent side cut outs for enhanced side visibility - Large-capacity lithium-ion rechargeable battery - Battery indicator mode flashes red when less than 20% - Lightweight and compact polycarbonate body - USB rechargeable (Micro USB cable included) - Mode memory function - 4 light modes: High, Low, Daytime HyperConstant, Flashing - Secure FlexTight bracket for quick installation - Water resistant - Optional helmet mount, center fork bracket available Modes/Run time: - High mode: 400 lumens | 2.5hrs - Low mode: 200 lumens | 5hrs Dimensions/Weight: - 32 x 102 x 33 mm - Weight: 95 grams (light unit and battery) Light source: - High intensity white LED X1 Optional Parts: - Center Fork Bracket (5342440) - Helmet mount (5341831N) Recharge time: - Approximately 4-5hrs (USB2.0 recharge) - About 300 recharge times (until rated capacity drops to 70%

Packed with more power and technology than meets the eye, the new Dice™ HL 150 fires up the night with an incredible 150 lumens, and stands out in broad daylight with its intense lightning-like flashes. It even senses day and night, automatically switching to the optimal flash mode. Engineered for road cyclists, it uses a low-profile, flexible mount that's designed for most handlebars including aero bars. (Patent Pending) - Powerful 150 lumen output with 8 light modes - Built-in 24/7 Safety Technology® gives you a powerful selection of night and day modes (Boost - High - Medium - Low - SteadyPulse® Low - SteadyPulse® High - DayLightning® Triple Flash - DayLightning® Single Flash) - DayLightning® mode emits powerful lightning-like flashes to highlight your presence in broad daylight - SteadyPulse® mode alerts nighttime motorists with pulses while constantly lighting your path - Enhanced Cycling Optics™ (ECO) expands your visibility with an extra-wide and long-range beam - USB rechargeable Li-ion battery - Low battery indicator - Light mode memory saves the mode you're in before the light is turned off - Low profile, water-resistant design only weighs 30 grams - Flexible mount conveniently attaches to most handlebars including aero bars Patent pending. *Features and specs are subject to change without notice.

A compact cycling safety light built around three high-output LED emitters, the KTV Drive Pro 300+ Front light offers up to 300 lumens of output and a highly disruptive Daytime Flash mode. It features a lightweight yet durable waterproof construction, rigorously tested to IPX7 Waterproofing standards. The KTV Drive Pro 300+ Front offers convenience and versatility with six output modes, up to an impressive 100-hour max runtime, and waterproof USB-C charging(cable not included). Note: This light is not being distributed within the German market. - Max 300 lumen blast mode / 100-hour runtime in Femto mode - Max 300 lumen blast mode / 100-hour runtime in Femto mode - Daytime Flash mode with Highly Disruptive Pattern - Waterproof USB-C charging port with charge indicator - Low-profile mounting with integrated strap hooks - Rigorously tested to IPX7 Waterproofing standards - 1400 mAh battery capacity

NiteRider understand lights are an integral part of your daily commute. Using a light can mean the difference between being seen or not by automobile drivers. Many of the "entry level" commuter lights are nothing more than "be seen" lights. Your overall safety and visibility should not be limited by your budget, that's why NiteRider created the Mako Series. The Mako line offers three models and up to 250 lumens, not only allowing the cyclist to be seen, but allowing the cyclist to see as well. A favorite feature is the side "gills" that emits light, it not only looks cool, but makes the Makos more visible. The Mako line is easy on the wallet and easy to operate. - Side lights - Economical, high output light - Super bright flash setting ideal for daylight use - Easy operation battery operated (comes with 2 x AA) - 3 light settings – High, Low and Flash - Lumen Output: 200 - Run Time: 15:00 – 60:00hrs - Weight: 175g - Battery: Alkaline AA x 2 WARRANTY The Mako 200 is backed by NiteRider's lifetime warranty that covers any defects in material and workmanship, mechanical components (housings, covers, mounts and fasteners) and LEDs. SYSTEM INCLUDES - LED Light Head - Handlebar Mount - 2 AA Alkaline Batteries

Our latest to-see-by headlight, the Flash 500 brings Flux-style beam control to a more budget-friendly pricepoint. The Flash headlight combines a clean, compact design with a simple-yet-elegant silicone strap that reminds us of a watchband design from our friends in Cupertino. With two different-sized straps included, you can dial in just the right amount of stretch to keep the Flash secure, while ensuring super fast install and removal. Now you see it, now you don't. Thanks to its 1400mAh battery pack, the Flash 500 will deliver 500 lumens for 2 hours, all the way up to 125 lumens for 8 hours. 250 lumens of Flash mode gives you a whopping 16 hours of runtime. - CREE XP-G3 LED delivers big-time lumens. - Class-leading 1400mAh rechargeable Li-ion battery pack to back up those lumens with real-world usable runtimes. Micro USB cable included. - Extra bright side lights to give you 180-degree visibility to other cyclists and motorists. - Flash mode: 250 lumens for 16:00 hours - IPX7 waterproof means this light will be there when you need it, even in the hardest rain. - Includes two different-sized straps to fit every round handlebar cockpit. (Flash headlights are not suitable for aero handlebars.) - Installs in seconds with a silicone strap system. Just pull the strap under the handlebar and drop it into the slot on the light body. - Single-LED oval beam pattern gives a perfect blend of spot and peripheral visibility. - Steady High mode: 500 lumens for 2:00 hours - Steady Low mode: 125 lumens for 8:00 hours - Steady Medium mode: 250 lumens for 4:00 hours

- USB rechargeable super bright COB style LED light - 8 modes - 4 brightness levels each of both steady and flash - Charging and low battery indicator - Single button interface - quick press to change mode, long press to turn off and double tap to change mode, long press to turn off and double tap to change from steady to flashing - 3 hour charge time - Lumens: 240 - Mount: Rubber strap

The All New 2021 Serfas® E-Lume Series Headlight New for 2021 our E-Lume Series Headlights feature a redesigned extruded aluminum housing, new optical lens with excellent side visibility, and improved battery capacity and LED performance. We made not only increased performance a priority but also improved rider visibility, so we designed an all new optical lens and housing with front corner cutouts to allow drastically more light be visible when viewed from either side – and this all without any reduction in quality of forward illumination or beam pattern. Constructed of aluminum the E-Lume housing is strong and lightweight as well as an efficient thermal conductor which effectively reduces heat buildup thus helping maintain temperatures for optimal battery performance and consistent light output. Light output of the E-Lume 350 is sent through a single optical lens creating a powerful beam with strong front illumination and excellent side visibility. Limited Lifetime Warranty Serfas® warrants to the original purchaser that the product is free of defects in material, construction, and/or workmanship for the lifetime of the product. Battery Warranty – One Year Coverage Serfas® batteries are covered by a 1 year warranty from the original date of purchase. Features: - All-In-One Design - Extruded Aluminum Body - Press and Hold Button Lock - Daytime Flash Mode - Up To 90 Hours Runtime - Integrated USB Rechargeable Li-Ion Battery - Backlit Button Indicates Charge Status and Low Battery - Handlebar Bracket - USB Charging Cable Specs: Solid Mode: - High – 350 Lumen / 3 hrs - Medium – 150 Lumen / 7 hrs - Low – 75 Lumen / 15 hrs Flash Mode: - Daytime Flash – 350 Lumen / 75 hrs - Low Flash – 50 Lumen / 90 hrs Weight : 142g w/ Bracket Battery: 1-Cell Li-Ion 1600 mah Charge Time: 2.5 hrs To Full At 700mA Using USB Wall Charger Color: Black

Safety first, the AMPP500 comes with maximum side visibility, securely held in place with our adjustable FlexTight bracket. FEATURES: - High power rechargeable headlight (500 lm) - Powerful wide beam with OptiCube lens technology - Excellent side cut outs for enhanced side visibility - Large-capacity lithium-ion rechargeable battery - Battery indicator mode flashes red when less than 20% - Lightweight and compact polycarbonate body - USB rechargeable (Micro USB cable included) - Mode memory function - 4 light modes: High, Low, Daytime HyperConstant, Flashing - Secure FlexTight bracket for quick installation - Water resistant - Optional helmet mount, center fork bracket available Modes/Run time: - High mode: 500 lumens | 1.5hrs - Low mode: 250 lumens | 3.5hrs Dimensions/Weight: - 32 x 102 x 33 mm - Weight: 95 grams (light unit and battery) Light source: - High intensity white LED X1 Optional Parts: - Center Fork Bracket (5342440) - Helmet mount (5341831N) Recharge time: - Approximately 4-4.5hrs (USB2.0 recharge) - About 300 recharge times (until rated capacity drops to 70%)

The Dice Duo is the smallest USB rechargeable light capable of changing from a white headlight to a red tail light at the press of a button. Designed for the road, this cubic inch light can turn from an impressive 110 lumen headlight to see, to an attention-grabbing 30 lumen tail light to be seen. Its adaptable flex mount can easily strap to handlebars or seat posts in a snap, even aero styles. For premium safety, its Adaptive Flash technology senses day or night, automatically switching to the optimal flash mode to maximize your visibility. Made for road cyclists and commuters, the Dice Duo is a powerful headlight and a tail light rolled into one. Performance - Functions as 110 lumen bicycle headlight or 30 lumen tail light Technology & Safety - 2 in 1 technology allows you to switch from headlight to tail light just by holding the power button for 3 seconds. - 8 headlight and 8 tail light lighting modes engineered for use on roads and commuting - Headlight mode: Boost, High, Medium, Low, SteadyPulse® Low, SteadyPulse® High, DayLightning® Triple Flash, DayLightning® Single Flash - Taillight mode: High, Group, Single Flash-Day, Triple Flash-Day, SteadyPulse® -Day, Single Flash-Night, Triple Flash-Night, SteadyPulse® -Night - SteadyPulse® mode alerts motorists with attention-grabbing pulses while its overlapping steady beam constantly lights your way at night - DayLightning® mode emits lightning-like flashes to highlight your presence in the brightest of daytime hours - Cycling Tuned Optics expands your field of vision with an extra-wide and long-range beam compared to typical lighting optics - IP64 water-resistant design for use in all weather conditions - USB rechargeable internal battery lasts up to 90 hours - Light mode memory saves the mode you're in before the light is turned off - Low battery indicator alerts you when a charge is needed RUN TIMES: Headlight mode: 1 hrs to 40 hours Taillight mode: 1:45 hrs to 90 hours CHARGE TIME: - 2 hrs MOUNTING: - Flexible mount easily adjusts to fit on handlebars and seat posts including aero styles BATTERY: - Built-in Li-Ion SYSTEM WEIGHT: - 30g *Features and specs are subject to change without notice.

Compact cycling light with a machined aluminum body. A bright, single LED system provides up to 400 lumens and a Daytime Flash mode. Battery runtime has increased by 2.5 hours for up to 20 hours of runtime. It features eight output modes and cutouts for side visibility. Charging is simple with an integrated cable-free USB stick. It securely straps to a variety of handle bar shapes and sizes. Specs - Max Lumens: 400 - Weight: 83g - Max Runtime: 20 hours - Recharge Time: 2:30

NiteRider understand lights are an integral part of your daily commute. Using a light can mean the difference between being seen or not by automobile drivers. Many of the “entry level” commuter lights are nothing more than “be seen” lights. Your overall safety and visibility should not be limited by your budget, that's why NiteRider created the Mako Series. The Mako line offers four models and up to 250 lumens, not only allowing the cyclist to be seen, but allowing the cyclist to see as well. The Mako line is easy on the wallet and easy to operate. - Low cost, high powered light - Highly visible in traffic = keeps you safe - 3 light settings – High, Low and flash - Tough durable design - Lumen Output: 250 - Run Time: 12:30 – 28:00hrs - Weight: 175g - Battery: Alkaline AA x 2 WARRANTY The Mako 250 is backed by NiteRider's lifetime warranty that covers any defects in material and workmanship, mechanical components (housings, covers, mounts and fasteners) and LEDs. SYSTEM INCLUDES - LED Light Head - Handlebar Mount - 2 AA Alkaline Batteries

The Portland Design Works Daybot Tail Light has a CREE LED to power a 100 lumen Daytime Pulse mode for increased visibility on sunny days. Switch from Day Modes to Night Modes to conserve battery power. Hold the power button down for 1 second to turn the light on or off. The Daybot Tail Light has redesigned mount that works with the included seatpost and seatstay brackets. - 2 Day Modes (runtime): Solid - 60 lumens (6 hours), Pulse - 100 lumens (20 hours) - 3 Night Modes (runtime): Solid - 20 lumens (20 hours), Flash - 20 lumens (100 hours), Pulse - 20 lumens (30 hours) - USB rechargeable li-polymer battery - Weatherproof exterior for all season riding - Includes brackets for seatpost and seatstay mounting - Mounts vertically or horizontally - Includes Micro USB recharging cord - Weight: 1.9 oz - Lifetime Warranty

Headlight • 3 watt LED headlight • 2 modes (1 steady; 1 flashing) • Aluminum casing • Uses 4 AAA batteries (included) Taillight • 2 x 0.5 watt super bright LEDs • 3 modes (1 steady; 2 flashing) • Multi-fit QR seat post mount • Uses 2 AAA batteries (included) • Water resistant

- Compact, sleek design - Robust safety features including daytime and nighttime pulse modes - Side illumination ports allow cyclists to be seen when riding across traffic lanes - 6 modes including Daytime Pulse and Nightime Pulse - Fully USB rechargeable: no batteries to buy or replace - Memory function allows light to turn on at the last mode that was used - Power saving function automatically switches the light to the lowest lumen output when the battery gets to 10% power or less - Built-in battery indicator: red = lower than 25%, yellow = 50%-25%, green = fully charged - No tools bracket

Engineered to be seen day and night, the incredible sleek Hotrod™ Front 110 emits a powerful 110 lumens of wide beam brilliance. Its continuous array of white LEDs penetrate broad daylight and the dark roads at night with powerful flashes and an extra-wide radiant glow. Every bit the road cyclist’s light, it uses a low-profile flexible mount designed for most handlebars including aerobars. - Powerful 110 lumen white light with 6 light modes - Built-in 24/7 Safety Technology® gives you a powerful selection of night and day modes (High - Low - SteadyPulse® - Low Flash - DayLightning® - Zoom) - SteadyPulse® mode features a steady beam to help motorists gauge their distance while overlapping pulses keeps them alert - DayLightning® mode emits lightning-like flashes to highlight your presence in the brightest of daytime hours - Zoom mode signals those around you with gentle changes in brightness - Continuous array of LEDs work in unison to illuminate an extra-wide and powerful glow - USB rechargeable Li-ion battery - Low battery indicator - Light mode memory saves the mode you're in before the light is turned off - Ultra low profile, water-resistant design only weighs 29 grams - Versatite™ flexible mount conveniently attaches to most handlebars including aero bars RUN TIMES: - Low Steady: 100 hrs - High Steady: 1:30 hrs - Low Flash: 30 hrs - DayLightning®: 3:30 hrs - SteadyPulse®: 6 hrs - Zoom: 6 hrs - CHARGE TIME: 3 hrs - MOUNTING: Flexible mount for seat post/seat stay - BATTERY: Built-in Li-ion - SYSTEM WEIGHT: 29g *Features and specs are subject to change without notice.

The Pathfinder USB Headlight from Portland Design Works is unlike any other bike light on the market, incorporating technologies to help you see and be seen while riding, day or night. The Vertical Cutoff Beam is designed to focus the 200 lumen main beam onto the road in front of you and prevents lost lumens that can blind oncoming traffic. For daytime riding, the Daytime Running Flash is bright enough to make you seen even on the brightest days. The Battery Meter lets you know exactly how much battery life you have left before needing to recharge with the included USB cord. The Pathfinder includes a powerful lithium-ion battery and a darkness destroying CREE LED bulb. It provides superior luminous guidance for up to 25 hours of ride time. The rugged construction is weatherproof and strong enough to handle the abuse of an urban commute. - 4 Modes: Steady low (4 hours), Steady high (2 hours), Pulse (8 hours), Daytime Flash (25 hours) - Lumens and burn times certified by Labsphere Illumia Light Measurement System to FL1 standard - Vertical Cutoff Beam to focus 200 lumens on the road ahead - CREE LED - Battery Meter for Li-ion battery - Micro USB charging cord included; 3 hour charging cycle - Weatherproof exterior for all season riding - One second delayed power switch to prevent accidental on/off - Light wakes up in last mode used - Includes UV-proof quick on/off handlebar mount - Weight: 57 g (2 oz)

- Modes include High Steady, Medium Steady, Low Steady, DayTime Pulse, NightTime Pulse, and Economic Flash - Fully USB rechargeable: no batteries to buy or replace - Runtime up 24 hours - Memory function: light turns on at the last mode it was turned off - Power saving function: 10% power or less, lights will automatically switch to lowest lumen output - Built-in battery indicators: RED = less than 25%, GREEN = fully charged - Side illumination ports