Universal fit: 7/8″ handlebar switch fits for most 12V motorcycles, bicycle, scooter, ATVs, snowmobiles, truck, tractor, etc. Circuit protection: Power relay for safety protection and conversion circuit. Blade fuse protects the circuit when over-current or short circuit occurs. Two available leads: With 2 sets of light output connectors for dual lighting fixtures less than 180W, the connection is more stable. Ideal switch: can be used to control Headlights,aux driving lights,LED lights, LED work lights, rear lights, fog lights, driving lights, taillights, off-road lights,etc. Package includes: 1 x wiring harness kit, 3 x blade fuses, 4 x connectors,1x wiring diagram Product description Motorcycle Handlebar Switch Wiring Harness Kit-2 leads Handlebar Switch: DC 12V/10A,Fit 7/8″ handlebar Wiring Harness kit: Integrated with 40A relay and an inline fuse holder. protects the circuit when over-current or short circuit occurs. FITMENT: Apply for the diameter of 7/8?? grips.