Marktime Mechanical Timer easy way to insure that bathroom fans, closet lights, and small appliances get turned off Up to 60 minutes The dial is spring-wound so it will not draw any electricity The time dial plate is designed to fit either toggle or decorator style switch plate covers (not included), Maximum Load: 20 amps at 125VAC, 10 amps at 270VAC Input Power: 120-277 volts AC, 50/60 Hz