Important Note:If your original motherboard and controller look the same as ours, all white plugs. then you can buy a motherboard or a controller to replace your broken one. If your original 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.Specification:Color: white and blackRemote distance: about 30mVoltage: 12VLCD Connector pin: 3 PinsRemote Control: 4 ButtonLCD Switch:5 ButtonFitment:For 5KW Air Diesel Parking HeaterPackage Included:1x LCD Switch & RemoteOr 1x Mother BoardOr 1x LCD SwitchOr 1x Wire HarneOr 1x LCD Switch & Remote & Mother BoardOr 1x LCD Switch & Remote & Mother Board & LCD Switchremote control code-matching operationIn shutdown state,simultaneous long pre ''on/off''button and''right''button for two seconds,enter remote control code as follows: ''OC 1''1Pre ''left'' button or''right'' button to adjust the third digit value for remote control coding,the numerical range is 1-5,corresponding five remote controls.2Choose the Code of Remote Controller,arbitrarily pre a key of the remote control,Machine Coding Succefully and Exit Coding State.3Short pre ''set'' button to exit remote control code.*Remote Control Requirements:433mhz,24-bit code.Note:1. There is a transparent plastic protective film on the screen that can be removed before using.