Video/Audio Input	IP Video Input:  8-ch Two-way Audio:  1-ch RCA(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:  1-ch BNC(Linear electrical level, 600Ω) Playback Resolution:  5MP /3MP / 1080P / UXGA / 720P / 4CIF / VGA / DCIF / 2CIF / CIF / QCIF Synchronous Playback:  8-ch
Hard Disk Driver	Interface Type:  2 SATA Interfaces Capacity:  Up to 4TB capacity for each disk
External Interface	Network Interface:  1 RJ45 10M/100M/1000M adaptive Ethernet Interface USB Interface:  2 USB 2.0 Interfaces Serial Interface:  1 RS-232 interface;1 RS-485 interface (reserved); Alarm Input:  4-ch Alarm Output:  2-ch
General	Power Supply:  12 VDC Consumption:  ≤ 13 W (without hard disk or DVD-R/W) Working Temperature:  -10 °C ~ +55 °C Working Humidity:  10%~90% Chassis:  19-ich rack-mounted 1U chassis Dimensions:  445 × 261 ×44.5 mm (W x D x H) Weight:  ≤ 4 Kg ( without hard disk or DVD-R/W )