USB Rechargeable Light : Built-in 650 mAh rechargeable lithium battery, can be charged from any USB port .No battery replacement
Super Bright with four Modes : full brightness, half brightness,fast flashing, slow flashing, It has four light modes which you can easily switch between
Easy to Install:Advanced silicone mounting strap(four Strap Included) is elastic enough to fit all kinds of bikes and can be mounted on any part of the bike;They can be easily loosen and fasten, and no tools are required
Guide the way with the headlight and need not worry about being knocked over by others with the taillight;It is versatile enough for cycling, hiking, camping, or any outdoor activity and can be used as emergency flashlight
IPX4 Waterproof:Whether in heavy rain or fog, its waterproof, impact resistance and durability can withstand;So that you can still see the road and passing vehicles clearly when riding in different weather;Note: can't put it into water directly