Dahua Technology DHI-XVR4216A-S2, Black, H.264, 1920×1080 1280×1024 1280×720 1024×768, Fast, Next, Pause, Play, Previous, Repeat, Shuffle, Slow, Stop, Zoom, NTSC, PAL, Embedded LINUX Dahua Technology DHI-XVR4216A-S2. Product color: Black, Video compression formats: H.264, Playback resolutions supported: 1920×1080 1280×1024 1280×720 1024×768. Ethernet interface type: Fast Ethernet, Supported network protocols: HTTP, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE,DDNS, FTP, Alarm..., Number of users: 128 user(s). HDD interface: Serial ATA, Maximum HDD capacity: 8 TB. Power consumption (typical): 15 W. Dimensions (WxDxH): 14.8 x 11.3 x 2.09" (375 x 287 x 53 mm), Weight: 5.18 lbs (2.35 kg)