Describe: color as shown Material: ABS+PC Weight: 30g Size: 7*2cm/2.75*0.78inch Lamp beads: 2835 SMD Waterproof grade: IPX5 Battery capacity: 220mAh Battery life: 5H 1. Four lighting modes, one-key switching, highlight-low-brightness-strobe-quick flash. 2. This bicycle light can be charged directly through the USB cable, and the power supply device can be a computer, a charger or a portable power bank, etc. 3. Small and portable, light and portable, with both strength and beauty, small and small in appearance, stylish in appearance, beautiful and smooth, can be put into a pocket or front bag, easy to carry. 4. High-brightness LED lamp beads: high-brightness lamp beads can play a distinct warning role at night, and are bright enough and safe. 5.IPX-5 waterproof: high-efficiency waterproof, not afraid of rain and snow, no matter the heavy rain or fog, it can work normally to ensure your riding safety. Notes: 1. As we all know, different computers display different colors, and the actual color may be slightly different from the picture below. 2. If you find it difficult to choose the size, you can contact me at any time, we will give you some suggestions, but only for your reference. 3. We can accept orders of mixed items, colors and sizes. This product includes: 1 pc light 1 pc usb charging cable