Feature: 1. High quality, Fit for 12V/24V , 3 KW/5KW /8KW. 2. After hot start, the air in the cabin can be preheated very quickly. 3. Lower power consumption. One is the ideal heating method for long-term parking (8 watts of power is equivalent to the energy consumption of a turning bulb). 4. Lower fuel consumption (0.1 liters of oil per hour). 5. The temperature in the cabin can be set. 6. Wide control range, very low power among similar products in the market. 7. The cabin temperature is steplessly adjustable. 8. Effectively reduce noise by controlling the blower speed. 9. Optional internal or external installation. 10. Real-time function monitoring. 11. Maintenance-free, easy maintenance. Specification: Type: Parking heater control motherboard. Color: black. Materials: ABS plastic. Suitable: 12V , 5-8KW diesel air heater. Size: 104*57*50mm/4.09*2.24*1.97in. Note: 1.Pleaseallow0.5-1cmdifferencesduetomanualmeasurement. 2.Duetothelightandscreendifference,theitemscolormaybeslightlydifferentfromthepictures. Package Included: 1xParking Heater Control Motherboard