Parameter
| Model NO | A51@IR | A51@WH | A51@FW |
| The sensor | 5MP 1/2.8 ‘target surface; | ||
| The system structure | M-star Dual-core A7 1.2ghz; | ||
| Video images | describe | ||
| Intelligent coding | Supports basic and advanced modes to reduce storage usage. | ||
| Video processing | H.264, H.265 video coding;
Support three bit stream: main stream, secondary stream, three bit stream; |
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| standard | 2880*1620@25, 2560*1440@25, 2304*1296@25, 2304*1296@30, 1920* port, 1920* port; | ||
| The resolution of the | Mainstream: 2880*1620, 2560*1440, 2304*1296, 1080P;
Auxiliary current: 720P, D1(default), 640*360, 2CIF, CIF; Third stream: D1, 640*360, 2CIF, CIF(default); |
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| OSD | Supports a maximum of eight TIME-based OSD nodes, custom OSD nodes, serial OSD nodes, and network port OSD nodes. | ||
| Privacy cover | Supported, a maximum of 4; | ||
| Areas of | Supported, a maximum of 8; | ||
| Wide dynamic | Support optical WDR; | ||
| The noise reduction | Support 2D and 3D noise reduction; | ||
| The shutter | Support automatic/manual mode;
Support low shadow mode; Support indoor 50/60Hz shutter mode to suppress power frequency flicker; |
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| Scene mode | Support transparent (default), bright, standard, three scene mode selection, adjust image style preferences; | ||
| software | describe | ||
| Business functions | Supports Web configuration.
Support OSD configuration, image configuration and other services; Supports periodic capture, intermittent capture, alarm linkage capture, and alarm images can be reported by email or FTP. Support a variety of platform SDK development packages for secondary development; Support HD audio and video sync preview, two-way voice intercom; Support motion detection, occlusion detection, sound detection, linkage APP to achieve mobile phone push alarm; |
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| smart | Support people counting; Support Motor vehicle, Non-motor vehicle and Human body Recognition.
Support Cross Line, Enter Area, Leave Area Intrusion setting, Realizing Deep Perimeter Protection |
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| Sound and light alarm | Yes. After the alarm is triggered by human body detection, the sound alarm can be linked. | Yes. After the alarm is triggered by human body detection, the sound alarm can be linked. | Support free switching three light modes:
Infrared mode: black & white image with infrared light at night. White light mode: color image at night. Dual light: black& white image with infrared light at night. After the alarm is triggered by human body detection, the white light turn on and sound alarm |
| upgrade | Supports local upgrade on the WEB interface.
Batch upgrade of GuardTools. Support cloud upgrade; |
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| Controlled lamp | Support software control led board;
The dual-optical model supports three modes of infrared, warm light and intelligent dual-light, which can be set by users through NVR or APP. |
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| The client | Support mobile APP video preview (IOS, Android);
Support PC client local management of IPC, realize multi-channel IPC live playback, local hard disk storage, etc. |
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| custom | Customize the model, Logo, image, scene mode or parameters, OSD, and default alarm audio. | ||
| audio | describe | ||
| Audio processing | Support G.711U, G.711A code standards;
Support noise suppression; |
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| Audio output | Supports up to 64KBps transmission; | ||
| network | describe | ||
| Obtaining IP address | PPPoE, Netcom (enabled by default), DHCP, and static IP addresses. | ||
| agreement | Supports network protocols such as IPv4, IPv6, HTTPS, TCP, UDP, DHCP, RTP, RTSP, DNS, DDNS, NTP, and port mapping. | ||
| compatibility | Support ONVIF standard protocol, realize the connection with mainstream brands NVR, PC client video preview and video recording, etc.
Support GB\T28181 GB protocol; |
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| Interface features | describe | ||
| Network status indicator | Support; | ||
| Audio input interface | Support 2 MIC inputs; | ||
| Audio output interface | Supports one Line out output. | ||
| The network interface | Supports 100M network ports; | ||
| RS485 interface | Support; | ||
| RS232 interface | Support; | ||
| Supplementary light interface | Compatible with mainstream infrared light board; | Compatible with mainstream warm light board; | Compatible with mainstream dual- light board; |
| Hardware | describe | ||
| The work environment | -30℃~60℃ (-22°F~140°F); | ||
| Plate type size | 38mm*38mm, 38 standard veneer structure; | ||
| The power supply | DC12V±25%, support reverse connection, over voltage, over current protection, input short circuit protection; | ||
| reliability | 7*24 hours -30℃~60℃ high and low temperature cycle test is stable and reliable;
Power 2KV lightning protection, network port 4KV lightning protection, in line with national and international standards; |
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