Features : [WARM COMFORTABLE]-This car seat cover increase the temperature quickly within 20s, providing cozy warmth for your full back, hips and laps. The highest temperature is able to reach 60. You will have comfortable driving and working experience in could days. [SMART CONTROLLER]- Our car seat cover has a unique controller. You are able to choose Hi/Mid/Low temperature. [CONSTANT WARMTH]- The car seat cover is equipped with a protection thermostat that keeps it from overheating. When it reaches the temperature you chose, it will automatically stop increasing and constantly keep the warmth you like. High quality material, strong and durable Heating cushions. Very suitable for cold seasons Specifications : Voltage: 12V Output Power: 42~54W Thermal Protector: 45~65 Size: About 48*59cm Package Includes : 1 * Heating Automobiles Seat Cushion