This item is a bike tail light, made of high-class and durable material, high-end and durable. Easy to install and operate, it is suitable for professional and personal use. It's a wonderful outdoor riding lamp for your bike. It is one of the for you. Features -Color: As shown -Material: PP, ABS -Size: 8.50X8.50X2.00cm/3.34X3.34X0.79in -Power: 1W -Charging time: 2 hours -Temperature range: -10 degree centigrade~50 degree centigrade -Easy for you to install and remove. It is very easy to operate and carry. -And it is very eye-catching after flashing, which can serve as a warning at night, making your riding journey safer. - : Using the chip lamp ( saving, bright), produce an extraordinary 210° beam, eye-catching from all angles. -USB charging: save electricity and money, give you good operation time, charging time only 2 hours. -These long board accessories have high performance, can use up to 4 hours, super long battery life, let you enjoy the fun of riding. Package list: 1 x lamp 1 x charging cable 1 x belt