10cm length Elastic band is stretchable; Can adjust aperture according to bicycle’s stand size.11 Daily waterproof, can splash proof, but cannot be immersed in water.
- Material: Aluminum alloy
- Item color: Red/gold/silivery
- Light emitting color: Red/White/Blue
- Battery: Built-in 3.7V 900MAH lithium battery
- Product dimensions: 8.4 *2 *2CM
- Mini USB cable length: 50CM
- Can be used as both front and rear light