Bicycle Tail Light with USB Rechargeable, Ultra Red and White Bright 6 Modes In One Rear LED Safety Strobe Flashing Light Compatible With Bikes, Helmets, Bag 6 LIGHT MODES AND 2 LIGHTS IN ONE BIKE LIGHT - easily control with just 1 press button to switch RED light and WHITE light SUPER BRIGHT AND LIGHT WEIGHT BIKE LIGHT - total COB 32 chips high brightness LED makes the max 120 lumen but just 35g weight USB RECHARGEABLE LITHIUM BATTERY - 3.7V 600mAh battery give you a long run time max 14 hours, just 2 hours charged time and automatic fully charged cut-off system 240 DEGREE VISIBILITY LIGHT WIDE AND IPX 6 WATERPROOF - high quality PC cover material makes the AiT bike light more clear solid and against rain MORE APPLICATION TO KEEP YOUR SAFE OUTDISE - quick release rubber strap mount your bike handle bar, seat post, helmet and bags