Dual Technology Networked Ceiling Occupancy Sensor PIR And Ultrasonic For Wireless Lighting Control System 120-277v UL DLC For LN Wireless Lighting Controls From LED NetworkDual Technology Networked Ceiling Occupancy Sensor PIR And Ultrasonic For Wireless Lighting Control System 120 277v UL DLC For LN Wireless Lighting Controls From LED Network The LNCMS 107D Is A Dual Technology Ceiling Mounted Occupancy Sensor That Works With The Wireless Lighting Controls System. Using Both PIR & Ultrasonic Technologies, This Sensor Provides A Highly Accurate And Wide Coverage Range. The LNCMS 107D Turns Fixtures On & Off, On A