| parameter name | parameter value |
| Image Sensor | 1/1.8 inch CMOS |
| sensor total pixels | About 4 million pixels |
| horizontal resolution | ≥1500TVL |
| maximum image size | 2592*1520 |
| Resolution | 400W |
| Minimum illumination | Color: 0.005Lux/F1.5 |
| Black and white: 0.0005Lux/F1.5 |
| Gain control | automatic / manual |
| 3D noise reduction | support |
| 2D noise reduction | support |
| signal to noise ratio | ≥55dB |
| white balance | Auto/Manual/Tracking/Outdoor/Indoor/Outdoor Auto/Sodium Lamp Auto/Sodium Lamp |
| electronic shutter | 1/1～1/30000s |
| Electronic image stabilization | support |
| Through fog function | support |
| BLC | support |
| wide dynamic | support |
| Strong light suppression | support |
| digital zoom | 16 times |
| Day and night mode | Automatic ICR filter color to black |
| focus mode | automatic/semi-automatic/manual |
| focal length | 6mm～180mm |
| Zoom speed | about 3.5s |
| field of view | Horizontal: 61.2°～2.32° (near focus to far focus) |
| close-up | 10mm～1500mm (near focus to far focus) |
| Optical zoom | 30 times |
| Aperture value | F1.5～F4.3 |
| Fill light method | No fill light |
| Horizontal range | 0°～360° continuous rotation |
| vertical range | -20°～90° Automatically flip 180° after continuous monitoring |
| keying speed | Horizontal: 0.1°～500°/s |
| Vertical: 0.1°～400°/s |
| recall preset speed | Maximum horizontal speed: 600°/s, average horizontal speed: 300°/s |
| Maximum vertical speed: 450°/s, average vertical speed: 200°/s |
| telephoto speed limit | support |
| Preset | 300 |
| auto cruise | 8 strips, each can add 32 preset points |
| automatic tracking | 5 |
| Automatic line scan | 5 |
| Power-off memory | support |
| Privacy mask | Up to 24 areas, and up to 8 areas on the same screen at the same time |
| idle action | Preset point / Auto cruise / Auto cruise / Horizontal line scan |
| timed task | Preset point / Auto cruise / Auto cruise / Horizontal line scan |
| PTZ function | Support idle action, support FD three-dimensional positioning, support humanized focal length/speed automatic matching function |
| the message states | support |
| Main stream resolution and frame rate | 50Hz: 25fps (2592 x 1520), 25fps (2048 x 1536), 25fps (1920 x 1080), 50fps (1920 x 1080), 25fps (1280 x 960), 25fps (1280 x 720) |
| 60Hz: 30fps (2592 x 1520), 30fps (2048 x 1536), 30fps (1920 x 1080), 60fps (1920 x 1080), 30fps (1280 x 960), 30fps (1280 x 720) |
| Substream resolution and frame rate | 50Hz: 25fps (704×576), 25fps (352×288) |
| 60Hz: 30fps (704×480), 30fps (352×240) |
| Resolution and frame rate of the third stream | 50Hz: 25fps (2592 x 1520), 25fps (1920 x 1080), 25fps (1280 x 960), 25fps (1280 x 720) |
| 60Hz: 30fps (2592 x 1520), 30fps (1920 x 1080), 30fps (1280 x 960), 30fps (1280 x 720) |
| video compression | H.265/H.264BaselineProfile/H.264MainProfile/H.264HighProfile/M-JPEG |
| audio compression | G.711a/G.711Mu/AAC/G.722 / G.726/MPEG2-L2 |
| Voice intercom | support |
| Network protocol | IPv4/IPv6,HTTP,HTTPS,802.1x,QoS,FTP,SMTP,UPnP,SNMP,DNS,DDNS,NTP,RTSP,RTP,TCP,UDP,IGMP,ICMP,DHCP,PPPoE |
| ROI | support |
| SVC | support |
| area focus | support |
| time display | Support, such as: day of the week, date |
| application programming interface | Support open API for software integration, support standard protocols (Onvif, CGI, GB/T28181), support Dahua SDK and third-party management platform access |
| browser | Support IE7 and above (including IE7) Google, Firefox, Apple and other non-IE browsers |
| Simultaneous preview users | Up to 20 channels (total bandwidth 64M) |
| safe mode | Authorized username and password, and MAC address binding; HTTPS encryption; IEEE 802.1x network access control (whitelisting) |
| User Management | Multi-level user rights management |
| Intelligent detection | Video dynamic/occlusion detection, audio detection, network disconnection detection, IP conflict detection, encoder status detection, memory card status detection, storage space detection |
| intelligent | Support tripwire intrusion, area intrusion, crossing fence, loitering detection, item leftover, item moving, fast movement and other behavior detection; support multiple trigger rule linkage actions; support target filtering |
| Intelligent face detection | support |
| analog interface | 1.0V[p-p] / 75Ω, PAL or NTSC, BNC connector |
| Network Interface | Built-in RJ45 network port, support 10M/100M network data |
| Alarm input | 7 switch inputs (0～5V DC) |
| Alarm Output | 2 channels, support alarm linkage |
| Alarm linkage | Capture/Preset/Cruise/Track/SD Card Recording/Trigger Switch Output/Client Electronic Map/Send Email |
| RS485 control interface | Adopt half-duplex mode, support PTZ control and online upgrade, protocol support: Dahua protocol, China security industry protocol, Pelco P/D, protocol supports automatic identification |
| audio input | Audio input (LINE input), audio peak: 2～2.4V[p-p], output impedance: 1kΩ±10% |
| Audio output | Linear level, impedance: 600Ω |
| SD card interface | Built-in Micro-SD card slot, support SD/SDHC/SDXC (maximum support 128G), support manual recording/alarm recording, support disconnected network resuming, recording will not be lost |
| power supply | AC24V/3A (±25%) / POE |
| Power consumption | 22W/43W (maximum power consumption, AC24V power supply, 2 heaters on) |
| 22W/29W (maximum power consumption, POE power supply, 1 heater on) |
| working environment | Temperature -40～70℃; Humidity＜95% |
| Protection class | IP68, TVS 8000V lightning protection, anti-surge and anti-surge protection, in line with GB/T 17626.5 level 4 standard |
| Installation method | A variety of installation methods can be selected according to the application environment |
| weight | 15kg |
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