Total weight: 42KG;     Main unit weight: 35KG;     Color: red or white;   Voltage: 12V/24V Control methode: Intelligent Linear Frequency Conversion External unit size: 81*91*19CM;  Inner air outlet size: 290*330*90 Air volume: 250-450 m³/h;  Rated power: 400/1000;   Rated current: 30-50A Heating capacity: 2400W;  Cooling capacity: 600-2400W Undervoltage protection: 11.2V/21.5V;  Undervoltage Recovery: 12.5V/25V Hole size: 330*390/480*600;  Package size: 110*92*35.5CM