The SIP-3020 is a 100' x 65' super PIR intelligent detector from Optex that is ideally manufactured to be used for medium to small sized external locations with its durable and rugged construction. The SIP-3020 PIR detector comes with anti-masking w/ photo-beam, anti-rotation w/ a 3 axis accelerometer, advanced detection algorithm, as well as ambient temperature and luminance detection for sensitivity management, and 3 Pyro-Elements w/ double conductive shielding. The SIP-3020 detector also features a detection logic selector, reinforced polycarbonate housing, a detection range selector, plus adjustable alarm interval times, and a sensitivity selector. This powerful PIR detector is able to provide a 30 x 20m coverage range, and is ideal for use as motion sensors when used in remotely monitored CCTV setups. Please also purchase the AVF-1 & AWT-3 - they would be Required for Proper Installation.