existing coaxial cable networks, reducing the need to run new cables to your Security System. H.264 Compression Technology allows video files to be compressed without any noticeable difference in quality. Specification: Operating System: Embedded Linux System Menu Display: 1/4/8/9 Screen Video Compression: H.264 Main processor: Hi3520D V300 Record Resolution: Encode ability:8*1080P@12fps (5 in 1)/4*1080P@15fps Decode ability:8*1080P@12fps (5 in 1)/4*1080P@15fps 960P/720P Multi-mode input: Analog:8*1080P (5 in 1)；4*1080P Hybrid:2*1080P（analog）+2*1080P（network;4*1080P（analog)+4*960P（network） Network:16*1080P; 9*1080P;16*960P; 4*5M Motion detection: Each screen can be set to 192 (16 * 12) detection areas; multi-level sensitivity can be set (Limited local channel) VGA Resolution: 1920*1080, 1440*900, 1280*1024, 1024*768, 1280*960 Video storage: HDD, network Backup mode: Network, USB hard disk, USB burner, SATA burner Wireless: 3G, WIFI (extend via USB) Signal System: PAL/NTSC Frame Rate: 1-30fps (NTSC), 1-25fps (PAL) HDD Supported: Max. 3.5in 4TB SATA HDD (not included) OSD Language: English, French, German, Spanish, Italian, Japanese, etc Power supply: 12V/2A Item size: 25.4 * 21.6 * 4cm /10 * 8.5 * 1.57in (L * W * H) Item weight: Approx. 721g /25.43oz Package size: 35 * 27.4 * 7.5cm /13.78 * 10.79 * 2.95in (L * W * H) Package weight: 1095g /38.27oz Note: 3.5in SATA HDD not included. Package list: 1 * 8CH 1080P/960P/720P DVR Video Recorder (HDD not Included) 1 * Power Adapter 1 * USB Mouse 1 * Bag of Screws for HDD Installation 1 * English User Manual