Description: Wide Application :The parking heater controller switch knob is applicable to cars, trucks, vehicles, ships, etc. Premium:Paired with remote control. Refueling manual mode. Made of high quality material, it is practical to use. Excellent Performance :With time setting designs, the controller switch knob is convenient and fast. Timing starts or stops. Easy to Install :The structure is not complicated, and for most people, this product is practical and easy to install. Manual fuel refilling mode. 12V/24V power supply voltage, suitable for car, truck, etc. Specification: Material: Plastic Switch Size: approx. 66*52*23mm (2.60*2.05*0.91 inch) Cable Length: approx. 350mm (13.78 inch) Number of Ports: 3 Pin Supply Voltage: D.C 12V/24V Fitment: Universal Package Includes: 1 x Knob Switch With Cable