LIGHT-LEVEL SENSING TYPE; 2.8 INCH W X 1.5 INCH D X 4.8 INCH H SIZE; BLACK FINISH; UL (CANADA AND US) APPROVAL; BEDROOM, HALLWAY, STAIRWAY, BATHROOM, LIVING ROOM, DINING ROOM APPLICATION; 120 VAC AT 60 HZ VOLTAGE RATING; WALL BOX MOUNTING; 3-WIRE LEAD TER