Features:1. Liquid crystal display, easy to read.2. With control button function, refueling manual mode, timed start or stop, time setting, etc.3. Great: Parking heater controller is user-friendly and supports timed start or stop. Remote controlMatching is quick and easy.4. Special design: parking warm air knob controller with manual refueling mode, quickly set by the ownerThe knob. The product has been thoroughly tested before shipment to ensure perfection.5. Wide application: 12V/24V power supply voltage parking heater controller, suitable for cars, trucks, etc.Product instruction:1. Remote control pairing.2. Refuel in manual mode.3. Start or stop the timer.4. Set the time.5. Remote control Om code description.6. In the off setting state, pre the first button and pre the Confirm button for more than 3 seconds.7. Enter the remote control startup code interface, display HFA, pre the remote control code,8. Code exit the code interface, the machine is in the state of the ship, the code fails to enter the state of the ship. Code timeout will automatically exit the code state.Specifications:Material: PlasticColor: Blue, blackRemote control power: 2 AAA batteries (not included)Remote control size (length * width * height) : 6 x 3.6 x 2CMDisplay switch size (L x W x H) : 9 x 6.6x 1.5CMVoltage: 12 v / 24 vPackage includes:Package one: LCD remote control *1Package two: LCD remote control *1+ monitor switch *1