1.Universal switch, fits for handlebar in diameter: 22-23mm (7/8″ inch), used on DC 12V electrical system 2.This waterproof switch can be used with spotlights, fog lights, driving lights, daytime running lights etc,. And will fit on all motorcycles, ATVS, scooters 3.Good material:aluminium alloy, 3 wires of copper material. It is waterproof, anticorrosion, suitable to the rainy day 4.Output circuit protection, overload, reverse polarity and multiple protection, safety to use, just plug and play with the 3-pin connector. 5.If any problem, please email us, we are commited to your total satisfaction. Specification: Weight: 2.4 ounces Package Dimensions:6.4 x 5 x 1 inches Cable length: approximately 55cm long Shell Color: Black Switch material: aluminum alloy Operating voltage: 12V (universal all with a fixed motorcycle), the electric car would like to install, then 12V input is also possible.