Remote distance: Less than 50 meters Voltage: 12V LCD Connector pin: 3 Pins Remote Control: 4 Button LCD Switch:6 Button Important Note:The remote control needs to be matched with the LCD switch, and the LCD switch needs to be compatible with the motherboard. Fitment: For 5KW Air Parking Heater Widely used for parking heater controller with 12V power supply voltage, suitable for cars, trucks, etc. Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use. There is a transparent plastic protective film on the screen that can be removed before using. Colour:As Shown Material:Plastic Package Contents: 1 x LCD Switch 1 x remote controller (Without button battery) 1 x main board 1 x wiring harness Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.