Detetor quebra de vidros hikvision por fios ds-pdbg8-eg2 (o-std)

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