Video/Audio Input	IP Video Input:  32-ch Two-way Audio:  1-ch BNC(2.0Vp-p, 1kΩ)
Video/Audio Output	VGA Output:  1-ch, resolution: 1920×1080P/60Hz,1600×1200/60Hz,1280×1024/60Hz, 1280×720/60Hz, 1024×768/60Hz CVBS Output:  1-ch, BNC (1.0 Vp-p, 75 Ω) Resolution: 704 × 576 (PAL); 704 × 480 (NTSC) HDMI Output:  1-ch, resolution: 1920 × 1080P / 60Hz, 1920×1080P / 50Hz, 1600 × 1200 / 60Hz, 1280 × 1024 / 60Hz, 1280 × 720 / 60Hz, 1024 × 768 / 60Hz Recording resolution:  5MP / 3MP / 1080P / UXGA / 720P / VGA / 4CIF / DCIF / 2CIF / CIF / QCIF Audio Output:  2-ch BNC(Linear electrical level, 600Ω) Playback Resolution:  5MP /3MP / 1080P / UXGA / 720P / 4CIF / VGA / DCIF / 2CIF / CIF / QCIF Synchronous Playback:  16-ch
Hard Disk Driver	Interface Type:  8 SATA interfaces for 4 HDDs + 1 DVD-R/W (default), or 8HDDs Capacity:  Up to 4TB capacity for each disk e-SATA Interface:  1 eSATA interface
External Interface	Network Interface:  2 RJ45 10M / 100M / 1000M adaptive Ethernet interfaces USB Interface:  3 USB2.0 interfaces Serial Interface:  1RS-485 interface, 1 RS-232 interface, 1 RS-485 keyboard interface Alarm Input:  16-ch Alarm Output:  4-ch
General	Power Supply:  100~240 VAC, 6.3A, 50~60Hz Consumption:  ≤45W Working Temperature:  -10°C ~ +55°C (14 °F ~ 131 °F) Working Humidity:  10% ~ 90% Chassis:  19-inch rack-mounted 2U chassis Dimensions:  445 × 470 × 90 mm (17.52" ×18.5"× 3.54")(W x D x H) Weight:  ≤ 8 kg (17.64 lb) ( without hard disk or DVD-R/W )