Hubbell Wiring Device-Kellems WS1274W2UPC: 783585159096 | UNSPSC: 39122236 | GTIN: 00783585159096Lighting Controls & Ballasts > Occupancy & Vacancy Sensors > Wall Mount Occupancy SensorsWiring Device-Kellems Occupancy Sensor Switch, 4-Wire 2-Relay, Series: WS Series, 120/277 VAC, Passive Infrared/Ultrasonic Sensor, Wall Mounting, WhiteSpecs:Series: WS SeriesType: 4-Wire 2-RelayColor: WhiteVoltage Rating: 120/277 VACMounting Type: WallSensor Type: Passive Infrared/UltrasonicPackaging:Weight: 0.35 lb