USB Rechargeable Bike Light, Kitbon Bike Lights Front, Bike Headlight, Smart LED Bicycle Lights, IP65 Waterproof
5 LIGHT MODELS: Light-Sense Model/Side light/Medium/High/SOS, In light-sense model, when there is insufficient ambient light, the bike light will turn on. it can save energy. In side light model, it is using as warning light or tail light to keep your safe
USB RECHARGEABLE&HIGH-QUALITY BATTERY: All you need is a USB cord (included) and a power source to recharge (Computer, laptop or a cellphone charger), build-in Polymer lithium battery is safer.
ULTRA BRIGHT LED&GERMAN StVZO AUTHENTICATION: 400LM(max), lifespan with 10000 hours(theoretical value). Our light has a cut-off line, equal ray distribution. it can't affect opposite bikers and make your cycling safer.
SUPER LIGHT WEIGHT & WATER RESISTANT:Operates well in heavy rain. When performance matters and each extra gram is important, Bike light is the best partner with Just 80 Grams and IPX-6 Waterproof Rated

How to use:
Long Press the switch, indicator light blue into light perception mode, light perception model can be adjusted automatically according to light illumination mode, press the switch, lights our into the light pattern:side light, Medium light, High Ligh, SOS , Long Press the switch to close the light

Product Features:
Build-in Battery, 3.7v
Charging time: 2 hours
Battery Type: Polymer lithium battery
Working time: High light-2 hours, Medium light- 6 hours, Tail light-30 hours
Material:Aluminum alloy and ABS plastic
Waterproof-rated: IPX6
Weight: 70g
Fit Handlebar: 22~35mm