Practical and professional: This Car Air Heater Control Board Motherboard is a perfect accessory for your car, providing practical and professional control. Durability and performance: Made of plastic material, this circuit board ensures good performance and long-term usage. Easy installation: With its easy installation feature, you can quickly and effortlessly set up this control board. Stable characteristics and high reliability: The control board exhibits stable characteristics and high reliability, ensuring the efficient functioning of your car's parking heater. Important Note: If your motherboard and controller look the same as ours, then you can buy a motherboard or a controller to replace your broken one. If your motherboard and controller are different from ours, you need to buy motherboard and controller together to replace your broken . Or it not fit for your heater. Note: Installation guide not included, we strongly recommend you professional installation. Please check as