Dimensions and technical details 220-240 V ~ 50/60 Hz Housing colour: white Housing material: UV-resistant ABS Nominal size: 150 mmSpeed levels: 2 Wattage: 17 / 19 W Current consumption: 0.08 / 0.09 A Airflow rate: 220 / 315 m³/h Sound pressure level Lp-3m: 28 / 33 dB(A) IP rating: IP45 Diameter pipe connection: 147.5 mm Depth pipe connector: 111 mm Front cover: 190 x 190 x 32 mm Weight: 1.3 kg Adjustable shut-off timer (2 - 30 min), humidity sensor (60 - 90%): fan turns off after expiration of the pre-set time once the humidity level falls below the pre-set threshold Thermal overload protection Integral backdraught shutter prevents cold air from infiltrating Mounting options: wall, ceiling Application: direct connection to the ventilation shaft.