Kupai 2 Seats Carbon Fiber High-low Round Switch 1.9cm in Diameter Universal Auto Seat Warmer Seat Heater Kit this is The products of our factory independent production, can also produce water carbon waterproof seat heaters welcome to wholesalers and distributors to contact with our company will enjoy the most preferential price Dual temperature control system electronic control & standard bi-metal thermostat Pads can be trimmed or cut by installer to fit on any standard seat Carbon Fiber backrest & bottom cushion heating pads Illuminated 2-color switch for high & low temperature settings