● 1/3 SONY 420TVL/540TVL CCD
●H.264 dual stream，resolution up to D1（704X576),25fps/second
●1ch audio input（G.711/G.726/AMR）two-way audio talk-back
●1ch alarm input , 1ch alarm output
●1pcs RS485 port, 10/100M Ethernet port, Support Mobile phone monitoring
●Support SD card recording, snapshot. Support motion detection, Email, FTP
●IR distance: 50m, outdoor waterproof type
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