Hikvision · DS-PDBG8-EG2
Wired Glass Break Detector High quality Omni-directional microphone sensor Up to 8m/120° detection coverage Selectable EOL resistors（Alarm Resistance: 1K, 2K2, 4K7, 5K6, 6K8/） 9-16 VDC wide voltage adaptation with polarity reverse connection protection