Intermatic FD30MWC 30-Minute Countdown Wall Timer for Fans and Lights, White

This spring-loaded mechanical countdown timer switch requires no electricity to operate, This in-wall timer is designed to replace any standard wall switch, single or multi-gang, and is intended for use with a decorator wall plate (not included), Automatically limits the operating time to a maximum of 30 minutes for fans, lights and more, Incandescent/fluorescent/CFL/LED compatible, A neutral connection is not required for installation.