USB DVR (4 ports USB digital video recorder)

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Basic Info

Place of Origin:	China Guangdong

Product Description

* 4 channels video input in one card, the maximum display/recording rate is 25 fps under PAL format, and 30 fps under NTSC format * 4 screen display modes are available * Multi alarm triggering method: sensor, motion, video loss, and HDD space shorta

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USB DVR , 4 channels usb dvr , CCTV DVR