The NCM PDT10 RJB Nlight Ceiling/Surface Mount Occupancy Sensors Provide A Range Of Networked Sensor Solutions For Applications With Finished Ceilings (E.G. Ceiling Tiles, Sheetrock, Plaster) Featuring Large Motion 360-Degree Coverage and 100% Digital Passive Infrared (Pir) Detection Combined With Microphonics to Detect Sound For Applications Where Occupants Are Stationary For Long Periods Of Time