2pcs USB Rechargeable LED Bike Tail Light, GRM Bright Bike Tail Lights Rear Bike

1. Insert the bracket buckle into the tail light;

2. Insert the silicone strap into the buckle;

3. Determine where you want to use it and buckle the silicone strap into the buckle (suitable for the largest size handlebar and seat post);

4. After the installation is complete, press and hold to turn on or off the light.