Features • Dual optics (2 dual opposed element sensors) • Provides superior pet immunity using a patented combination of advanced optics and digital processing technologies • Immune to pets weighing up to 40kg (90lbs) • Extremely reliable and false-alarm free • Patented Digital Motion Detection (no analogue circuitry) • Digital Auto Pulse Signal Processing • Digital Shield algorithm software • Metal shield maximizes protection from EMI and RFI signals • 10.5m (35ft) X 10.5m (35ft) range with 90° viewing angle • Can be used with SB469 Swivel-Mount Bracket