https://www.hikvision.com/nl/products/alarm-products/wired-intrusion-alarm/general-wired-detectors/ds-pdtt15am-lm/
DS-PDTT15AM-LM - Wired Intrusion Alarm - Hikvision
Hikvision Wired Triple Signal Detector DS-PDTT15AM-LM
wired intrusion alarmdslmhikvision