Leviton IPHS5-1LI Humidity Sensor and Fan Control, Single Pole, Ivory Automatically detects excess humidity in a room and activates the ventilation fan to lessen condensation which helps reduce mold and mildew Sensor uses microprocessor and digital sensing technology to continuously monitor and manage humidity levels in a room Replaces a single pole switch for control of ventilation fan or a fan/light combination 600W Incandescent, 150W LED/CFL, 4 Amp Inductive/Ballast, 1/6th HP Motor Fits in a standard wall box and requires a neutral for operation