Wiring Device-Kellems Style Line Rocker Switch, Decorator Self-Grounding Residential Grade Weather-Resistant, 120/277 VAC, 20 A Electrical Rating, 1 Pole, Rocker Actuator, 3-Way Operational Mode, Threaded Mounting, Back/Side Wired Terminal, 30000 cycles Operating Cycles, Polycarbonate, Gray, Environmental Conditions: -40 to 75 deg C Operating Temperature, 4.87 in L x 3.1 in W x 1.61 in H Dimensions