WDR Camera/HLM camera/3D-DNR camera WDR cameras are commonly used in surveillance cameras and in some medical applications. In surveillance, WDR allows a camera to filter the intense back light surrounding a subject and thus e...

Closed-circuit television (CCTV) cameras Closed-circuit television (CCTV) cameras can produce images or recordings for surveillance purposes, and can be either video cameras, or digital stills cameras. Marie Van Brittan Brown was the inven...

Portable DVR recorder portable recorder for Private Investigators for law of evidence,Micro Pocket DVR,mini video recorder Surveillance Equipment, D1 resolution wearable personal digital video recording system, PV...