Specifications: 1) Power supply: AC 220V / 50Hz (±15%), AC 110V / 60Hz (±15%) 2) Ion-generating mode: corona discharge mode 3) Operating current: 0.18A (in the highest speed) 4) Output volume: 240CFM 5) Efficient scope: 300 - 1,600mm 6) Ion balance: ≤±5V 7) Decay time: ≤1.3S (1,000V - 100V, at 300mm away the air mouth, in max. speed) 8) Test condition: 25°C, humidity 55%, measured up with the EOS/ESD criterion 9) Noise: 42dB 10) Operating condition: 0 - 50°C (temperature), 20% - 85% (relative humidity) 11) Color: off white + sky blue (plastic) 12) Dimensions (W x H x D): 940 x 55 x 180mm 13) Material: aluminium plates Outer packing: N.W.: 4.3kg