Honeywell H46E1013 Humidistat Includes a Plug for Window AC Positive On And OFF Settings Permit Manual Operation Of Controlled Equipment Impact-Resistant, Molded Plastic Cover Mounts On Wall Fully Enclosed, Dust Free, SPST, Snap-Acting Switch Sensing Element Of Thin, Moisture Sensitive Nylon Ribbon Provides Reliable Operation Even When Ambient Temperature Conditions Change Beige Color To Complement Your Home Decor