| Model | DH-HCVR7404L | DH-HCVR7408L | DH-HCVR7416L | 
| System | 
| Main Processor | Embedded processor | 
| Operating System | Embedded LINUX | 
| Video | 
| Input | 4 channel | 8 channel | 16 channel | 
| Video Standard | HDCVI | 1080P/720P HDCVI Camera | 
| Analog | NTSC(525Line, 60f/s), PAL(625Line, 50f/s),Effio 960H Camera | 
| IP | 1080P/720P/D1/CIF IP Camera | 
| Audio | 
| Input | 4 channel, BNC | 
| Output | 1 channel, BNC | 
| Two-way Talk | 1 channel input,1channel output, BNC | 
| Display | 
| Interface | 2 HDMI,1 VGA,1 TV | 
| Resolution | 1920×1080, 1280×1024, 1280×720, 1024×768, 800×600 | 
| Display Split | 1/4 | 1/4/8/9 | 1/4/8/9/16 | 
| Privacy Masking | 4 rectangular zones (each camera) | 
| OSD | Camera title, Time, Video loss, Camera lock, Motion detection, Recording | 
| Recording | 
| Video/Audio Compression | H.264/G.711 | 
| Resolution | 1080P(1920×1080)/720P(1280×720)/960H(960×576/960×480)/D1/4CIF(704×576/704×480)/CIF(352×288/352×240)/QCIF(176×144/176×120) | 
| Record Rate | Main Stream: | 1080P/720P/960H/D1/HD1/2CIF/CIF(1~25/30fps) | 
| Extra Stream | CIF/QCIF(1~25/30fps) | 
| Bit Rate | 48~8192Kb/s | 
| Record Mode | Manual, Schedule(Regular(Continuous), MD), Stop | 
| Record Interval | 1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec | 
| Video Detection & Alarm | 
| Trigger Events | Recording, PTZ, Tour, Video Push, Email, FTP, Spot, Buzzer & Screen tips | 
| Video Detection | Motion Detection, MD Zones: 396(22×18), Video Loss & Camera Blank | 
| Alarm Input | 4 channel | 8 channel | 16 channel | 
| Relay Output | 6 channel | 
| Playback & Backup | 
| Sync Playback | 1/4 | 1/4/9 | 1/4/9/16 | 
| Search Mode | Time/Date, MD & Exact search (accurate to second) | 
| Playback Functions | Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom | 
| Backup Mode | USB Device/eSATA Device/Internal SATA burner/Network | 
| Network | 
| Ethernet | RJ-45 port (10/100M/1000M) | 
| Network Functions | HTTP, IPv4/IPv6, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP, IP Filter | 
| Max. User Access | 128 users | 
| Smart Phone | iPhone, iPad, Android, Windows Phone | 
| Storage | 
| Internal HDD | 4 SATA ports, up to 16TB | 
| External HDD | 1 eSATA port, up to 16TB | 
| Auxiliary Interface | 
| USB Interface | 3 ports(2 Rear),USB2.0 | 
| RS232 | 1 port, For PC communication & Keyboard | 
| RS485 | 1 port RS485 for PTZ control,1 port RS422 for Keyboard | 
| General | 
| Power Supply | AC 100~240 V, 50/60 Hz | 
| Power Consumption | 40W(without HDD) | 
| Working Environment | -10°C ~+55°C / 10%~90%RH / 86~106kpa | 
| Dimension(W×D×H) | 1.5U, 440mm×410mm×70mm | 
| Weight | 6KG(without HDD) |