All Intrusion AlarmAlarm Keypads 6Detectors & Sensors 4Sirens 1800 Series Wireless 13Autodialers 1Outdoor Detectors 4 Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Quick View Quick View SirensPZ 2 Indoor, bitonal, piezoelectric siren, suitable for all installations need. This product is entirely made of ABS. It is equipped with anti-opening and back tamper switches.View details