DVR Hikvision DS-7208HQHI-K1   8 HDTVI 3MP / AHD / HD CVI / IP / CVBS channels, up to 4 IP cameras at 6MP, analog TVI resolution up to 3MP @ 15Fps, H.265 + video compression, HDMI - VGA - CVBS video output, audio I / O 1/1, 1 RJ45 10M / 100M, Hik-Connect, ONVIF. Supports PTZ control via Omnicat, up to 128 simultaneous connections, Hik-Connect. 1 HDD sata up to 10TB, 2 USB 2.0 ports, 1 RS485, 12VDC power supply, Up to coax data, SMART Rules: Intrusion detection, line crossing detection, VQD. 4ch synchronized playback. 1ch remote audio channel. 1TB 1HDD INCLUDED (SPECIFIC FOR VIDEO SURVEILLANCE APPLICATIONS)

DVR Hikvision DS-7204HUHI-K1 / P 4 IP channels up to 8MP 4K ULTRA-HD 8Megapixel including 1TB Hard Disk , 8 PoE ports, 36Mbps, H.265 +, HDMI (2K), VGA (FullHD), 2 USB (2x 2.0), up to 1 x 10TB SATA HDD (each), 4 inputs + 1 audio output, 4 inputs + 1 alarm output. Video Analysis, Intrusion Detection, Crossing Detection, Smart Search, Hik-Connect Application.