Whisper Green Select 3-3/4 in. x 1-2/3 in. Condensation Sensor Module in Black

Condensation Sensor Module: controls bathroom condensation by anticipating dew point. When used in conjunction with multi-speed functionality, fan kicks up to high speed when moisture is detected in the room. Plug 'N Play modules allow you to customize the fan by choosing Multi-Speed Operation, Motion Sensor, Condensation Sensor and Automatic LED Night Light. With Multi-Speed you can select the proper CFM settings to satisfy ASHRAE 62.2 continuous ventilation requirements.

Controls bathroom condensation
Anticipates dew point
Plug 'n Play module allows you to customize your fan
When used with multi-speed module fan kicks up to high speed with moisture is detected