Kupai Carbon Fiber 5 Dial Switch 4 Seat Heating Plate Heat Sink Cushion Car Seat Cushion Modified Electric Heating in Winter Car Seat Heater Heating Pad Heating Cushion Vehicle 12v Car Electric Heating Pad Cushion 3 Years Warranty Built-modified Type 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 5 Dial Setting Kit for Two Seats Dual control system electronic control & standard 5-metal thermostat Pads can be trimmed or cut by installer to fit on any standard seat Carbon Fiber backrest & bottom cushion heating pads Quick heat-up time: 1 - 2 min