High quality, compatible with 12V/24V systems, suitable for 3KW/5KW/8KW applications. Quick cabin air preheating after hot start. Low power consumption; ideal heating solution for long-term parking (8 watts, equivalent to the energy usage of a standard indicator bulb). Low fuel consumption at 0.1 liters per hour. Adjustable cabin temperature settings. Wide control range with among the lowest power requirements in its class. Stepless temperature adjustment available. Noise reduction achieved through blower speed control. Optional internal or external installation. Real-time function monitoring. Color: As shown in photo Material: Plastic + Electronic Components Package Includes: 1 x Air Diesel Heater Control Board Note: Other items not included. Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement allowance: +/- 1-3 cm.