System main processor Industrial grade embedded microcontroller Huawei HiSilicon HI515
 Operating system Embedded LINUX operating system
 System resources: Multi-channel real-time recording, multi-channel real-time playback, multi-channel multi-person network operation, USB backup interface: 16-bit true color graphical menu operation interface, support mouse operation
 Screen display 1/4 screen 1/4/8/9 screen
 Video Video Standard PAL (625 lines, 50 fields/second); NTSC (525 lines, 60 fields/second)
 Monitoring quality PAL, D1 (70+4×576); NTSC, D1 (704×480)
 Playback quality PAL, CIF (352×288); NTSC, CIF (352×240) (real-time)
 PAL, D1 (704×576); NTSC, D1 (704×480)
 Encoding capability 100/120fps (CIF); 100/120fps (D1) 200/240fps (CIF), of which the 1st and 2nd channels support full real-time D1
 Motion detection: 396 (22×18) detection areas can be set per screen; multiple levels of sensitivity can be set
 Audio Audio Compression G711A
 Intercom support
 Recording and playback recording mode Manual > Alarm > Motion detection > Timing
 Local playback single channel, multi-channel
 Video query: time point search, calendar search, event search, channel search
 Storage and backup per channel
 Hard disk space Audio: 28.8M bytes/hour + Video: 25~450M bytes/hour
 Videos are saved on the local hard disk and network
 Backup methods Network backup, USB mobile hard disk, USB burning, SATA burning
 Interface Video input 4-way BNC, 1.0Vp-p, 75Ω 8-way BNC, 1.0Vp-p, 75Ω
 Video output 2 BNC, 1.0Vp-p, 75Ω, 1 VGA output 1 BNC, 1.0Vp-p, 75Ω, 1 VGA output
 Loop-through output is not supported
 SD card not supported
 Audio input 4-8 channels RCA, 200-2800mV, 30KΩ (can be expanded to 8 channels through expansion board)
 Audio output 1 RCA, 200-3000mV, 5KΩ
 Alarm input None (can be expanded to 4 or 8 channels through expansion board)
 Alarm output None (can be expanded to 1 channel through expansion board)
 Network interface RJ45 10M/100M adaptive Ethernet port
 PTZ control support (supports almost all PTZ control protocols)
 USB interface 2 USB2.0 interfaces (2 front interfaces reserved)
 Hard disk interface 2 SATA interfaces (maximum 2048G)