Practical and professional: This Car Air Heater Control Board Motherboard is a perfect accessory for your car, providing practical and professional control. Easy installation: With its easy installation feature, you can quickly and effortlessly set up this control board. Durability and performance: Made of plastic material, this circuit board ensures good performance and long-term usage. Stable characteristics and high reliability: The control board exhibits stable characteristics and high reliability, ensuring the efficient functioning of your car's parking heater. Working voltage: Designed to operate at a working voltage of 12V, this control board is compatible with most cars.