any noticeable difference in quality. Multiple Recording/Playback ModesThe playback feature of this video recorder allows you to know the whole events, replay significant evidence or funny video records. You can quickly search for any event that happened at any time. Specification: Operating System: Embedded Linux System Menu Display: 1/4/8/9 Screen Video Compression: H.265+ 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 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