Features: 1. High quality, compatible with 12V/24V, 5KW-8KW systems 2. After hot start, the air in the cabin can be preheated quickly 3. Low power consumption; ideal for long-term parking (8 watts of power, equivalent to the energy usage of a small indicator light) 4. Low fuel consumption (0.1 liters of fuel per hour) 5. Adjustable cabin temperature with stepless control 6. Wide control range and very low power consumption compared to similar products on the market 7. Blower speed control helps effectively reduce noise 8. Supports both internal and external installation options 9. Real-time function monitoring 10. Maintenance-free design with easy maintenance access Specifications: Type: Parking heater control motherboard Compatibility: 12V, 24V, 5-8KW air heater Material: Plastic Color: Black + Green Package Contents: 1 x Parking heater control motherboard Note: Light reflection and different display settings may cause slight color variations between the product image and the actual item. Measurement error allowed is +/- 1-3 cm.