2. Wire Length: 21.7inch/ 55cm; Fit 7/8" handlebar
3.7/8" handlebar switch fits for most motorcycles, bicycle, scooter, ATVs, snowmobiles, truck, tractor, etc. Especially very popular used on U5 & U7 light or fog light.
4.ON/OFF switch, easy to use and install, green wire connect to the positive polarity of headlight, black wire connect to the positive polarity of power supplies, the negative polarity of headlight connects to the negative polarity of the power supplies.