POTTER PIR-TECT1 Dual PIR Ext ។ សៀវភៅណែនាំអំពីការរកឃើញចលនា
POTTER PIR-TECT1 Dual PIR Ext. Motion Detection INTRODUCTION A CCTV event trigger utilizing two independent passive infrared detectors combined in a TOS package and a microwave sensor. Both sensors have to trigger before the detector signals an alarm. This high-precision,…