- Universal: 53-inch,12-volt power cord ,for vehicle use only,ideal for cars. trucks and SUVs - Fast Warm Up:The heated seat cushion is designed with heat in the back and sitting area, providing gentle warmth for your full back and hips, thighs. It provides you a nice seat warmer in cold weathers. There are two heating levels(High/Low) for heat zones available. - Adjustable Temperature The cushion is equipped with Overheat Protection thermostat , the thermostat controller is UL listed, and rigorously tested for quality control and safety. Auto shut off function ensures safe to use. The default timer is 60 minutes. - Non-slip Bottom & Elastic Straps -This seat heater be designed with non-slip rubber bottom and adjustable dual straps to secure it to auto seat or office chair and keep it in place.