UNV - 32-Ch 2U DVR, Support H.265/H.264 video formats, Support audio over coaxial cable(TVI & Uniview CVI protocol cameras), Support TVI, AHD, CVI, CVBS, IP cameras with adaptive access, One-way Audio(TVI&Uniview CVI protocol cameras), HDMI1 and VGA simultaneous output, HDMI2 and HDMI1/VGA independent output, Face Detection, Defocus Detection, Scene Change Detection, Object Removed, Object Left Behind, Auto Tracking, SIP (Intrusion Detection, Cross Line Detection, Enter Area, Leave Area), 8 SATA interfaces Up to 16 TB for each HDD (The maximum HDD capacity varies with environment temperature), AC 100 ~ 240 V.