Auto/Manual Mode Auto On/Off:In the default auto mode, the humidity sensor switch can automatically detects the humidity and auto turns on/off the bathroom fans. Manual On/Off: Press M button, you can turn on the fan (default run time is 1 min). Press M button again, the fan can be turned off. You can setting for how long the fan runs in auto/manual mode: 1 min-60 min.
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LCD Screen The screen uses LCD screen, displays real-time humidity value. It is easy for you to view and manage the humidity level of the bathroom.
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Digital Sensors The humidity sensor switch uses a microprocessor combined with the advanced digital sensing technology, to detect the humidity level in the bathroom and automatically turn on the exhaust fan for ventilation, keep your bathroom dry and clean.
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Lock Button In normal state, you need to simultaneously hold press both M button and Up/Down button for 3 seconds, the button will be lock; press both M button and Up/Down button again for 3 seconds, the button will be unlock.
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