Features: 1. The LCD display is easy to read.2. With the function of fuel control button filling manual mode, timing start or stop, time setting, etc.3. Great: The parking heater controller is user-friendly and supports starting or stopping time. Remote control pairing is convenient and quick.4. Special design: The parking heater knob controller has a manual refueling mode and is quickly set via the knob. The product has been tested thoroughly before shipping to ensure the product is perfect.5. Widely used: 12V/24V parking heater power supply voltage regulator, suitable for cars, trucks, etc. Specifications: Custom model: universal Voltage: 12/24V. Features: - Remote control pairing. - Manual fuel filling mode. - Time starts or stops.-Set the time.Remote control code description Om.In the shutdown state, press the first button and press the confirm button to keep more than 3 seconds. Go to the remote control start code interface, display HFA, press the remote control code, the code exits the code interface, the device is in the ship state, if the code fails, it will not enter the ship state. The code timeout will automatically exit the code state. Packing list: 1 * LCD switch (remote control needs to be purchased separately) Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind bidding.2. Please note that the color may vary depending on the difference.