The ceiling mount, low profile panoramic DS936 PIR Detector uses alternate polarity pulse count. It also uses a pointable Fresnel lens to provide up to 7.5 m (24 ft) of coverage and can be mounted on the surface, or semiflush directly to a ceiling or a standard octagonal electrical box. Also known as -Detection Systems/Bosch Sec 24 D 360-DEG CEILING PIR - DS-DS936-Bosch DS936 Motion Sensor - 12 ft Operating Range - 360 Viewing Angle
