The nLight nHW 13 Series occupancy sensor provides long narrow PIR detection for control of hallway lighting. Typically mounted at either end, these sensors detect occupants entering a hallway up to 130 ft away. Detection at this distance is for entrances at right angles to the beam pattern. Additionally, the nHW 13 may be used in combination with other nLight sensors to customize coverage for very long or irregularly shaped corridors. For example, an nCM 10 ceiling sensor may be in a entrance vestibule at one end of a hallway while the nHW 13 is at the other. The nHW 13 is best mounted at a 7 ft height.