Voltage: 12V/24V Condensing fans: Brushless motor Evaporative fans: Brushless motor Air volume: 450 m³/h Rated power: 850W Rated current: 30-70A Cooling capacity: 2300-2700W Control mode: frequency converting control Unit dimension: 64*72.5*16.5cm Packing dimension: 76.5*69*26.5cm weight: 24.8kg