Also can be used as an emergency flashlight, put it in the car, , attic and emergency kit. Use it during cycling, hiking, camping, stargazing, night photography, dog walking, power outages, etc. IPX5 waterproof bike lights front and back works in heavy rain or thick fog, If it or snows suddenly, you 't need to worry, 360 rotatable bracket allows the bicycle light to shine in any direction you . Equipped with an adjustable bracket, it is suitable for various bicycle models with 20mm-35mm handlebars, which can be tightened and loosened without tools. Anti-vibration on the bicycle light mounting allows your bike light to the road stably even on bumpy roads.It can be installed and removed without tools. Only takes 4 hours to fully charge ,High-capacity rechargeable battery with an extra-long run time.usb bike light can also charge your mobile phone or lighting. Made of high-quality aluminum casing, it has impact resistance, heat dissipation and corrosion resistance, If it or snows suddenly, you 't need to worry. your safety and the way forward. Not USB charging port, also for the entire lamp,Safe use. color:Black : Package Contents: 1 x bike light 1 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.