Specification: Product Name: Air Diesel Heater Controller Material: Plastic + Metal Main Color: Black Voltage: 12V/24V LCD Size: 95x60x14mm (LxWxH) Remote Control Size: 55x30x8mm (LxWxH) Remote Control: 4 Button LCD Connector: 3 Pins Quantity: 1 Set Fitment: Adapted Models: Universal Features: Remote control pairing. Fuel filling manual mode. Timing start or stop. Time setting. Remote Control To Code Description: In the off setting state, press the up button first and then the confirmation button, holding for more than 3 seconds. To enter the remote control coding interface, "HFA-" will be displayed. Press the remote control to launch the coding process; once the coding is complete, it will exit the coding interface, and the machine will enter the boot state. If the coding fails, it will not enter the boot state. The code timeout will automatically exit the coding state. Package Included: 1 X LCD Switch 1 X Remote Control (4 Button, requires 27A 12V battery)