Ion high density: plasmacluster 7000 ion/cm3 Coverage area: approx 21 m2 Sensor: dust Lifetime filter: up to 2 years Voltage/frequency (V/Hz): 220-240/50-60 Power input (max/med/low)(watt): 51/30/13 Dimension (WxDxH) (mm): 400 x 182 x 463 Weight (kg): 4 Power source : AC power socket