Product description:

Material:PC

Function: constant lighting, flash; 7 colors flash alternately; 18 modes display automatically

Work time: 8-12 hours

Mounting placement: wheel hubs

Waterproof rating：Life waterproof

No speed is required, will constant lighting when power on Installed in the center of the wheel, won't affect the center of gravity of the bicycle

Style 1：

Installed diameter: less than 32mm, especially recommend for kids balance bike

Product size: 8.2*1.6cm

Battery: 300mAh Li Battery

Installed diameter: less than 39mm, especially recommend for mountain bike

Product size: 9.8*1.9cm

Battery: 350mAh Li Battery

Instructions for use:

1. Long press for 2-3 seconds to turn on/off, short press the button to switch modes

2. The light will automatically turn off if no vibration is felt for 5 seconds after power on, and automatically turn on after vibrating again

3. During use, no vibration is felt for about 35-40 seconds, the light will automatically turn off, and automatically turn on after vibrating again