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 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 Colour:Photo Color Material:Plastic + Electronic Edition Package Contents: 1 x Air Heater Control Board 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.