Friendship prompt:
* Please do not use rechargeable batteries, it is suggested that you should use digititan or other non rechargeable batteries.
* The battery rear cover in turn light is a bit loose. Ticky tape is recommended after installing the battery in order to avoid loss due to turbulence on the way by bike.

• Suitable for handlebar within 2.2 CM in diameter,seat tube within 2.8 CM bicycle in diameter
• Push with your hand when you install batteries
• Controller is installed on the handle, steering brake tail light is installed on the seat tube, brake light control button is installed on the brake rope before or after (when brake, press the control knob and the brake light is on), tail lamp line is about 135 cm long
• Power : two 5 batteries ( not supplied , please prepare for yourself)

Suitable for handlebar within 2.2 CM in diameter,seat tube within 2.8 CM bicycle in diameterTOPCABIN