| Model | HVR3404HP-B3S |
| HVR3404HP-B3 |
| HVR3404HP-A4 |
| Video compression | H.265 /H.264 |
| Video System | NTSC/PAL |
| Analog video input | 4 BNC Port(Level: 1.0Vp-p, impedance : 75Ω) |
| Video output | 1 VGA；1 HDMI；1 CVBS |
| HDMI/VGA output | VGA(MAX 1080P)；HDMI(MAX 4K) |
| Audio compression | G.711A |
| Audio output | 1 RCA ( line level , impedance : 1kΩ) |
| Audio input | 4 RCA (Level : 2.0Vp-p, impedance : 1kΩ) |
| Multi-mode switch | AHD/TVI：4*5M AHD/TVI/CVI：4*4M |
| AHD+IPC:Arbitrary combination of analog digital signals |
| IPC：16*960P;8*1080P;4*5M |
| Recognition mode | Automatic recognition 4*5MN@20fps(AHD/TVI)/4*4M@15fps/4*4MN/ |
| 4*3M@18fps(AHD/TVI)/4*3MN(AHD)/4*1080P |
| Encoding resolution | 4*5MN@10fps、4*4M@6fps、4*3M@8fps、4*3MN@18fps、4* 4MN@12fps、4 * 1080P@25fps |
| Decoding capability | 4*5MN@10fps、4*4M@6fps、4*3M@8fps、4*3MN@18fps、4* 4MN@12fps、4 * 1080P@25fps |
| Recording Mode | Manual >Alarm > dynamic detection>timing |
| playback mode | Fast play, browse play, according to the time to play, according to event playback, time axis play, intelligent playback |
| Face detection | It supports one way face detection, and the 1 frames of channel images can recognize 10 faces at most. |
| Intelligent retrieval | Displays the motion area with different colors |
| Local playback | 1/4CH |
| Backup mode | Network backup, USB mobile hard disk, USB burning, SATA burning |
| Dynamic 3D noise reduction | Support (front end camera required) |
| Client type | IE/Intelligent mobile phone/CMS |
| P2P | Support(IOS、Android、PC) |
| Mobile APP function | Live display with quad (Max 16CH cameras), audio, recording, snapshot, PTZ control, remote playback, device list |
| SATA | 1*SATA，each port support max 8TB HDD;1*E-SATA (A4 series don't support e-SATA) |
| Network interface | 1PC RJ45 10M / 100M adaptive Ethernet port |
| Serial interface | 1 RS485 (A4 series don't support ) |
| Alarm I/O | 4CH inputs /1CH output (A4 series don't support ) |
| USB interface | 2*USB2.0 |
| Power supply | DC12V 2A |
| Comsumption | ≤12W(No hard disk） |
| Working temperature | -10℃--＋55℃ |
| Working humidity | 10％--90％ |
