Item: KN-MF400AVolume: 4 LVoltage: Home-use AC220V / 110V, Automobile-used DC12VPower: 27-48W Cryogenic temperature: The lowest temperature can arrive at 2â under 20-25â normal temperature.Heating temperature: 55-65â.Inner Dimension: 140 * 140 * 208mm.Outside dimension: 252 * 182 * 285mm.Weight: 1.9KGS/PC.Carton size: 560 * 430 * 310mm/4PCS