System Sensor® APA151 Annunciator with Piezo Alert, 24 VDC, 30 mA, 12 - 18 AWG, For Use With Duct Smoke Detector, Piezo
System Sensor® LENS-B Lens, -35 to 151 deg F, Wall Mount, For Use With P2WP Model Horn Strobes, Blue
System Sensor® RTS2 Multi-Signalling Unit without Strobe, 20 - 29 VDC, 85 dBA, 14 - 22 AWG Strip Terminal