Humidity Sensor. The fan can also operate with the light switch (the unit is switched on togather with the light). Max Noise Level: 28Db. Protection class: IP-X4.
Bathroom Extractor Fan 150mm / 6" with Timer Humidity Sensor Humidistat
Silent Round Bathroom Extractor Fan 100mm / 4" with Timer and Humidity Sensor
White Bathroom Extractor Fan 150mm / 6" With Timer & Humidity Sensor Ventilator
Bathroom Extractor Fan 100mm / 4" with Timer and Brushed Gold Front Panel
Silent Round Bathroom Extractor Fan 100mm / 4" with Timer and Ball Bearing
