Passive infrared occupancy sensor easily replaces existing toggle switch. •Installation in only a few minutes. •Sensor can be wired for 120 or 277 volts. •5 year warranty. Made in U.S.A. •Matching GFI wall plate included. •Controls up to 800 watts @ 120 volts, 1,200 watts @ 277 volts. •Adjustable time delay from 30 seconds to 20 minutes. •Adjustable photoeye for daylight harvesting available upon request. •Green L.E.D. indicator light.