Fits for 12V battery installation motorcycles,motorbike,scooter. Material:aluminium alloy,Max current for each:16A,Rated voltage:12v,wire length:50cm,3 wires of copper material.Connection:Blue(positive).Brown(negative).Black(connect to the equipment,positive) The item has the pilot lamp,when the switch turn on,the pilot lamp will be lighting,or the lamp will off. The handlebar apply for grips diameter: 23mm (1″ inch) Output circuit protection, overload, reverse polarity and multiple protection, safety to use. Product description Feature:  Color:black  Diameter:25mm  Cable lenght:Approx.50cm  Current:16A  Volatge:12V  Electrical: On-Off  Case Material :aluminum-alloy.  Case Material :aluminum-alloy+ anode sand blasting process.  Mounting Holder apply for Grips Diameter:23mm/1″  Connection:Blue(positive).Brown(negative).Black(connect to the equipment,positive)