4CH CCTV Security & Surveillance Systems HT-6204T:
Camera:
1,Image Device: 1/3" SONY CCD 420TVL
2,Camera: 36pcs F5
3,4mm-9mm Varifocal Lens
4,IR distance:30M
5,TV System: PAL/NTSC
6,Horizontal Resolution: 420TV Lines
7,Auto Iris Lens: Video/DC
8,Electronic Shut...
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