Features： Light length:approx. 13.5cm Type:bicycle taillight Color:As the picture Description： 1.LED Tail Rear Light Replaces for Xiaomi Mijia M365 Electric Scooter Safety Lamp. 2.High brightness,improve safety at night . 3.Unique shaped,stylish and fashionable. 4.Convenient and easy installation,anyone can mount this taillight in less than a minute without any tools required. 5.Rain or shine,summer or winter—any weather condition,any time—enjoy enhanced visibility and you will be safe at any time of the day. Size chart： Light length:approx. 13.5cm Package included： 1 * bicycle taillight Notes: 1. 1 inch = 2.54 cm 2. Please measure it yourself to choose the right size. 3. Due to the difference between the different displays, the picture may not reflect the actual color of the item. Thank you! 4.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.