Usage Tips:Practical and professional: This Car Air Diesel 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 ones. Or it will not fit for your heater.Note:Installation guide not included, we strongly recommend you seek professional installation.Please check as much as possible to make sure the item is what you need.The Compatibility Is Just For Please Compare The Part Number With Your One Before Purchasing!Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect UseIncluded: 1 x Mainboard 1 x Bluetooth switch 1 x Remote controlColour:Photo ColorMaterial:plasticPackage Contents:1 x Car heater repair accessoriesOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.