Case Material :aluminum-alloy,Mounting Holder apply for Grips, Diameter:22-23mm/0.78″-0.90″ This waterproof switch can be used with spotlights, fog lights, driving lights, daytime running lights etc,Suitable for all 12V battery installation motorcycles,motorbike,scooter. Good material:aluminium alloy, 3 wires of copper material. It is waterproof, anticorrosion, suitable to the rainy day.The shell color made from anode blasting process Output circuit protection, overload protection, reverse polarity protection, multiple protection, safety to use. The shell color made from anode blasting process. Connection:Blue(positive).Brown(negative).Black(connect to the equipment,positive) Product description Color:Black Specifications: Color:Black Silver Red Material:aluminium alloy Diameter:22mm Volatge:12V Current:10A 20A Electrical:On-Off Indicator Light Color:Red Diameter:22-23mm/0.78″-0.90″ Features: Unused,100% brand new,quality assurance. Dual functional switch for headlight