EXIR 2.0, smart IR, up to 30m distance. EXIR Technology. Hikvision DVRs Key Features. 1x DVR 4/8 channel Hikvision - DS-7204HUHI-K1 / DS-7208HUHI-K1. Hikvision 4 Channels DVR DS-7204HUHI-K1. Hikvision 8 Channels DVR DS-7208HUHI-K1.
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