Features: 1. LCD display, easy to read.2. It has a control button function of manual refueling, regular start or stop, time setting etc.3. Great: The parking heater controller is user-friendly and supports regular starting or stopping. Remote ControlPairing is convenient and quick.4. Special design: The parking heater knob controller has a manual refueling mode, which is quickly set by the owner of the knob. The product has been fully tested before shipping to ensure the product is perfect.5. Widely used: 12V/24V power supply voltage regulator parking heater, suitable for cars, trucks, etc. Features:1. Remote Control Pairing.2. Manual refueling mode.3. Time starts or stops.4. Set the time.5. Remote Control Om Code Description.6. In the shutdown state, press the first button and press the confirm button for more than 3 seconds.7. Enter the remote control start code interface, display HFA, press remote control code,8. The printer exits the printer interface, the device is in the ship state, and the printer does not enter the ship state. The code timeout will automatically exit the code state. Specifications: Material: Plastic Color: Blue, Black Remote control power supply: 2 AAA batteries (excluding) Remote control size (L * W * H): 6 x 3.6 x 2CM Display switch size (L * W * H): 9 x 6.6 x 1.5CM Voltage: 12V/24V Package includes: Package 1: LCD remote control * 1 Package 2: LCD remote control * 1 + monitor switch * 1