Bike Rear Light Bicycle Tail light Outdoor IPX5 Waterproof Super Bright Accessories usb Rechargeable

Specification:Fixing on the seatpost,backpack and helmet.Rechargeable lithium-ion polymer batteryRun time: 3.5~10 hoursBicycle rear light, backpack light,Helmet light for safe riding and walking5 Modes Adjustment: 5 Modes: Half-brightness, Brightness , Slow Flashing,Flashing and Quick Flashing , which can be adjusted according to Personal needs.IPX5 Waterproof: The bike rear light work well even you get caught in the sudden rain, meets daily cycling needs, Don't soak in water or liquid for a long time.Don't soak in water or liquid for a long time.Safety:The high-powered output will increase your visibility to the vehicles surround you in the dark. Stay safe on the road and make sure to be seen!