Wish you have a wonderful day.Features:100% brand new and high qualityAnti-static， Air tightness， Good heat resistanceEasy to installFit for ATV's with thumb throttles; will not work with twist grip throttlesSpecifications:Material: Nitrile PlasticColor: BlackVoltage: 12VPower: 12w-24w (Adjustable)Red Line: DC+12 cathodes Black Line: DC -12 anodeSize : Length: 140mm， Diameter: 22mm Package includes:1 Pair Electric Heated Grips HandlebarsPlease do not hesitate to contact us freely if any problem. Thanks!