Has all necessary items required for 8 channel CCTV installation apart from clips/trunking/cable ties. All items are of high quality!!We ensure that the hard disk is sufficient ie. 500 GB and from Hitachi/Seagate/WD for High compatibility and designed specifically for surveillance.Extra connectors have been provided to ensure that your installation is a success.Real-Time captureYou will be amazed by the stunning image quality of Hikvision. It’s like comparing the difference between a VHS video tape and a Blu-Ray movie, allowing you to see details and colours like never before.If an incident occurs you can transfer video files to back-up media via the easily accessible USB port or save to your network.Easy InstallationInstallation and set up is easy, simply run the cable from the camera to the HD DVR and click the cables into place and you’re set. – It really is that easy.Getting Started Is A BreezeSetting up the DVR for remote viewing has never been easier or faster with Hikvision's HD DVR software wizard guiding you through set-up and makes everyday use easier.Stay Alert At Any TimeTechnical Specifications:Video/Audio Input    Video Compression: H.264    Analog and HD-TVI video input: 4-ch,BNC interface (1.0Vp-p, 75 Ω)    Supported camera types: 720P25, 720P30, 720P50, 720P60, 1080P25, 1080P30, CVBS    IP Video Input: 1-ch 1080P    Video Input Interface: BNC (1.0 Vp-p, 75Ω)    Audio Compression: G.711u    Two-way Audio: 1-ch RCA(2.0Vp-p, 1kΩ)Video/Audio Output    HDMI/VGA Output: 1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz    Recording resolution: Main stream: 1080P (non-real-time) / 720P / WD1/ VGA / 4CIF / CIF;Sub-stream: WD1(non-real-time) / 4CIF(non-real-time) / CIF / QCIF / QVGA    Frame Rate: Main stream: 1/16 fps ~ Real time frame rate    Sub-stream: 1/16 fps ~ Real time frame rate    Video Bit Rate: 32 Kbps-6 Mbps    Audio Output: 1-ch RCA(2.0 Vp-p, 1kΩ)    Audio Bit Rate: 64kbps    Dual Stream: Support    Playback Resolution: 1080P / 720P / VGA / WD1 / 4CIF / CIF / QVGA / QCIF    Synchronous Playback: 4-chNetwork management               Remote connections: 128    Network protocols: TCP/IP, PPPoE, DHCP, DNS, DDNS, NTP, SADP, SMTP, SNMP, NFS, iSCSI, UPnP™, HTTPSHard Disk Driver    Interface Type: 1 SATA Interface    Capacity: Up to 4TBExternal Interface    Network Interface: 1; 10M / 100M self-adaptive Ethernet interface    USB Interface: 2 USB 2.0 Interfaces    Serial Interface: 1; standard RS-485 serial interface, half-duplexGeneral    Power Supply: 10A DC    Consumption: ≤ 15W    Working Temperature: -10 ºC ~+55 ºC (14 ºF ~ 131 ºF)    Working Humidity: 10% ~ 90%    Chassis: 1U chassis