Features1Has Three Modes: This taillight has 3 lighting modes, flash for 9 hours, slow flashing for 56 hours and fixed lighting for 8 hours. 2High Brightness: The bright lighting enable 220 Degree viewing angle and high brightness that can be seen from a long distance, very safe. 3Easy USB Charging: Supports simple USB charging that is widely compatible with charge adapters and various other charging devices. 4Wider Application: Multi purpose, can be freely applied to your bike, helmet, skateboard, scooter, stroller, wheelchair and so on. 5Simple to Install: Comes with a base with tie, the lightweight and compact bike turn light can be quickly installed.SpecificationItem Type: Bike Tail LightMaterial: PlasticProduct Size: Approx. 32 x 23.4 x 42.5mm / 1.26 x 0.92 x 1.67inBattery Type: Lithium BatteryBattery Capacity: 400 mAhCharging: USB interface charging.Package List1 xBike Tail Light1 x Bracket1 x Data Cable