Outdoor PIR detector 12 m., 90º. Antimasking. Anti-pets. Req. 2 x CR123A included. Grade 2. The TOWER-20AM PG2 is an innovative outdoor wireless PIR mirror detector that comprehensively meets homeowners' security needs for accurate detection of an intruder with minimal false alarms. The TOWER-20AM PG2 offers various innovative technologies to overcome outdoor challenges such as rain, direct sunlight, animals, changing light levels and more. Visonic's revolutionary Octa-Quad technology, using eight PIR sensors, each acting as a Quad detector, allows the TOWER-20AM PG2 to accurately and reliably determine whether an alarm is warranted. A robust housing and patented anti-masking home protection – together they offer exceptionally high resistance to vandalism and masking. The TOWER-20AM PG2 outdoor detector works in conjunction with Visonic's PowerMaster advanced home security system to provide a total and complete solution to protect the home, inside and outside.