OCCUPANCY/VACANCY SENSOR WITH DUAL RELAY TYPE; 1.76 INCH W X 1.83 INCH D X 2.73 INCH H SIZE; GRAY FINISH; UL (CANADA AND US) APPROVAL; COMMERCIAL, SMALL ROOM, BI-LEVEL LIGHTING WITH NO PARTITION OR OBSTRUCTION APPLICATION; 120/230/277 VAC AT 50/60 HZ VOLT