The handlebar apply for grips diameter: 22-23mm (7/8″ inch) Switch material:aluminium alloy,Max current for each:10A,Rated voltage:12v,wire length:50cm,3 wires of copper material.Connection:Black(positive).Brown(negative).Blue(connect to the equipment,positive) Suitable for 12V battery installation motorcycles,motorbike,scooter. Output circuit protection, overload, reverse polarity and multiple protection, safety to use. The item has the pilot lamp,when the switch turn on,the pilot lamp will be lighting,or the lamp will off. Color:Green LED for 7/8inch