DSC BV-500 CEILING MOUNT PIR DETECTOR Temperature compensation for improved catch performance at critical temperaturesPatented Multi-Level Signal Processing (MLSP) for accurate detection of human IR energy over a broad range of temperaturesSensitivity adjustment to configure the detector for normal or hostile environmentsHigh-level static and transient protectionExceptional white light immunityExcellent RF immunityDigital signal analysis for consistent detection throughout the coverage pattern