Developed on the basis of the latest technology, the high performance DS-7300 Series Digital Video Recorder combines the latest in dual stream video compression and advanced H.264 video encoding/decoding technologies to deliver solid reliability and longer recording times. The system can be used either as a standalone video surveillance product or to build up a powerful surveillance network making it is perfect for home or small business applications. Features: 16-ch HD-SDI video input H.264 & Dual-stream video compression 1080P real-time recording HDMI and VGA output at up to 1080P Gigabit network interfaces HDD quota and group management Specifications: Video/Audio Input Video Compression: H.264 HD-SDI video input: 16-ch; HD-SDI interface; (800mVp-p, 75Ω) Supported HD-SDI Camera Types: 720P/25, 720P/30, 720P/50, 720P/60, 1080P/25, 1080P/30, 1080I/50, 1080I/60 Audio Compression: G.711u Audio Input: 4-ch Audio Input Interface: RCA (2.0 Vp-p, 1 kΩ) Video/Audio Output VGA Output: 1-ch, resolution:1920×1080P/60Hz,1280×1024/60Hz,1280×720/60Hz, 1024×768/60Hz HDMI Output: 1-ch, resolution:1920 × 1080P / 60 Hz, 1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz Recording resolution: 1080P/720P/VGA/4CIF/CIF Frame Rate: Main stream: 1/16 fps ~ Real time frame rateSub-stream: 1/16 fps ~ Real time frame rate Video Bit Rate: 32 Kbps-16384 Kbps Stream Type: Video/Video&Audio Two-way Audio: 1-ch, RCA (2.0 Vp-p, 1 kΩ) (using the audio input) Audio Output: 2-ch, RCA (2.0 Vp-p, 1 kΩ) Audio Bit Rate: 64kbps Dual Stream: Support Synchronous Playback: 16-ch Hard Disk Driver Interface Type: 4 SATA Interfaces Capacity: Up to 4TB capacity for each disk External Interface Network Interface: 1 RJ45 10M/100M/1000M adaptive Ethernet Interface 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 ~ 240VAC, 47 ~ 63HZ Consumption: ≤65W (without hard disks) Working Temperature: -10 oC ~+55 oC (14 oF ~ 131 oF) Working Humidity: 10% ~ 90% Chassis: 19-inch rack-mounted 1.5U chassis Dimensions: 440 × 390 × 70 mm (17.3 × 15.3 × 2.7 inch) Weight: ≤8Kg (without hard disks)