Product name:Bicycle Light Product size about : 7.5cm*3cm*2cm/2.95in*1.18in*0.79in Product color: As shown in the figure product features: 1.This bike light can provide warning when riding at night, it can be mounted on the tail of the bike. 2.This light has a rechargeable design and can be charged via USB port. 3.This light usually have high brightness LED beads with long battery life and waterproof performance, which can be used in different cycling environments. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pc Bicycle Light