The hood opens and closes automatically when the set temperature is reached. Sets during the de- or belu? does the built-in rain sensor ensure this? that the hood closes immediately. After drying the sensor surface, the hood opens again and the fan sets in. With 3-stage high-performance motor and removable insect protection grille. The transparent rotor blades ensure optimal light incidence. Outer dimensions 47 x 47 cm, fits foot Roof cut-outs from 35 x 35 to 40 x 40 cm and roof thicknesses of 27 - 65 mm. Assembly height: 12.5 cm, weight: 5.5 kg. Material: ABS body, polycarbonate and macrolon hood. Power: at 1. Level 13.5 m³/min, consumption 23 watts; at 2nd Level 18.5 m³/min, consumption 28 watts; at 3rd Level 26.5 m³/min, consumption 36 watts.