Extend your riding season with the Deluxe Heated Jacket Liner. This heated jacket liner knows how to combat cold weather. Just hook up the included battery harness to your bike's battery, attach the cable to the jacket and you're ready to ride in comfort. Adjusting the temperature levels is easy with the built in waterproof temperature controller just press to cycle through the 3 heat settings and go. This Liner keeps you on the road longer and allows you to ride on in comfort!