For small and medium-sized rooms, with ball bearing motor, suitable for wall and ceiling mounting, ABS plastic housing, UV-resistant, automatic blinds with thermal switch (delayed opening and closing), optical operating display, dimensions: 165 x 150 x 92 mm, installation dimension: 32 mm, pressure: 35Pa, noise level: 34 dB (A) - at a distance of 3 meters, weight: 0.65 kg, delivery volume: 98 m/h, voltage: 220 - 240 volts, PLKJT100 version with follow-up relay, continuously adjustable from 2 - 30 minutes.