4ch standalone dvr cheap price good quality 4ch standalone dvrFunctional features:1. compression algorithm to upgrade to the h.264, Main Profile, advanced space-time filtering technology allows streaming year-on-year reduced 30% above2. whole real-time video (4 road motherboard support 4 road full real-time D1, no.8 motherboard support no.2 D1 + 6 road CIF real-time), whole real-time of multi- ...
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