100% brand new and high quality Ultra bright, 6 lighting modes design suitable for loving night riding friends Waterproof design can fit for different kinds of environment, lengthen it s working life USB charging mode can be convenient and useful Press the button on the side for 2s to switch on the light, press it one time to switch over the light brightness, long press for 3s to switch over the light modes, flash light or continuous light. Item Type: Tail Light Suitable Vehicle: Bicycle Material: Plastic Light Type: LED Light Light Color: Red, White Design Element: 6 Lighting Modes, Ultra Bright Power: USB Charging Size: 8×2.2×1.8cm/3.1×0.9×0.7in (L×W×H) Package Included: 1× Tail Light 1* Elastic Band 1* USB Cable