"PoE power supply. Supports tripwire, intrusion and sound & light alarm. Supports voice talk and built-in high-power speaker. 2MP 1/2.8"" CMOS. H.265 encoding allows high compression ratio"

"Featuring with powerful optical zoom and accurate pan/tilt/zoom performance, the SD3A series PTZ camera can provide large monitoring range and great detail. The camera delivers 4MP resolution at 25/30 fps, and has very excellent low light performance due to the latest starlight technology. SD3A series PTZ camera is equipped"