DewStop Condensation Fan Control (Humidity Sensor) with Countdown Timer in White (120-Volt, 50/60Hz)

DewStop turns your bathroom fan on when moisture is present and off when dry. Works with ANY ventilation fan to help you save time and money. DewStop includes adjustable humidity sensitivity settings so that you can tailor your fan to your rooms particular climate. DewStop also includes a 0-60 minute timer and manual on/off control all in one switch! Settings are concealed beneath a cover, making it great for property management (and parents). DewStop’s sensors help prevent mold and mildew by turning your fan on automatically, even if your family forgets to.