Features: 1. High quality, compatible with 12V/24V, 5KW-8KW systems 2. Quickly preheats cabin air after hot start 3. Low power consumption; ideal for long-term parking (8 watts, equivalent to the energy usage of a standard indicator light) 4. Low fuel consumption (0.1 liters per hour) 5. Adjustable cabin temperature with stepless control 6. Wide control range and among the lowest power consumption in similar market products 7. Variable blower speed for effective noise reduction 8. Supports both internal and external installation options 9. Real-time function monitoring 10. Maintenance-free design with easy serviceability 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: The package includes only the items listed above. Other products are not included. Note: Lighting effects and display settings may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.