Product name:Motorcycle Headlight O/I Double Control Switch, Feature:switch has the red pilot lamp,when the switch turn on,the pilot lamp will be lighting,the light goes out when turned off Mount hole diameter: 22mm/7/8″Handlebar,Suitable for 12V battery installation motorcycles,electromobile,ATV,scooter. Easy assembly,It comes with three connecting wires: brown, black and blue.Blue(positive).Brown(negative).Black(connect to the equipment,positive) Total size: 49 x 58 x 43mm/1.9″ x2.3″ x1.7″(L*W*H), connecting line length: 55cm/21.6″, case material: aluminum-alloy. Package content: 1x Motorcycle Headlight Double Control Switch Waterproof 7/8?? 12v Red Led Illuminated Motorcycle ATV Handlebar Push Button Switch ??Product name:Motorcycle Headlight O/I Double Control Switch ??Feature:switch has the red pilot lamp,when the switch turn on,the pilot lamp will be lighting,the light goes out when turned off ??Easy assembly,It comes with three connecting wires: brown, black and blue