1.Product name:Bicycle brake tail light
2.Material: Aluminum alloy + ABS + PC
3.Weight: 130g
4.Color: Black
5.Size: 5.1 * 3.3cm
6.Battery: 350mAh
7.Discovery distance: ＞ 500 meters
8.Brightness: 20lm
9. Product Features:
1) Smart mode, switch at will
2) Mini styling, easy to carry
3) Elastic band, easy to disassemble
4) Waterproof design, fearless rain