Item specifics
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Brand Name
WUSONGLUSAN
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Origin
CN(Origin)
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Two-way Audio
YES
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Compression Format
H.265
H.264
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Wireless Security
WEP
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Hard drive Interface Type
SATA
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e-Cloud(P2P)
YES
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IP Mode
Static IP address
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Hard Drive Size
3.5''
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DVR Power Supply
DC12V
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Video Input Interface
BNC (1.0 Vp-p
75Ω)
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Supported Mobile Systems
iPhone OS
Android
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Audio Compression Format
G711A
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Audio Input
4 Channel
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Supported Operating Systems
Microsoft Windows 98
Microsoft Windows ME
Microsoft Windows 2000
Microsoft Windows XP
Microsoft Windows Vista
Microsoft Windows 7
Mac OS
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Video Standard
NTSC/PAL
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Smart home platform
Tuya
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Backup Type
Hard Drive
USB Flash Divers
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Video Resolution
1080N
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Alarm Action
FTP Photo
Email Photo
Local Alarm
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Certification
NONE
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Video Output
1VGA + 1HDMI-Compatible
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Network Interface
RJ45 10/100M
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Audio Output
1CH RCA
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HDD Capacity
None
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Communication Interface
NONE
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Video Adjustment
Brightness Adjustable
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Technology
ANALOG
AHD
HDCVI
HDTVI
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Network Protocol
TCP/IP
Please Note:1.the Video is 16CH 1080N.but other channels DVR are almost same parameter like it. 2.It is normal for the sound to resonate because the distance between the sounding device and the listening device is too close. When you put the phone farther away, the resonance phenomenon will not exist. 3.The box of the product has nothing to do with the product itself, because it is a neutral box. 
4.Vga is not include,you can buy from US by click the picture attached as below.thank you. 
What is coaxial Audio function 1.it is a function that the coaxial audio camera connect to coaxial DVR only by BNC cable,then can transfer sound and can hear sound from smartphone.No need add sound pick up device. 2.you can add one speaker,or add a HDMI monitor which built in speaker,then you can hear sound, 3.you can add a microphone or use smartphone,connect App of the DVR and talk.

Channel type4CH 1080N

Language
More than 8 kinds of languages supported(English,Italian Polish、Portuguese、Romanian、Russian、Spanish、Turkish)

Main display
4CH

Encode H.265 Main stream and sub stream
Display resolution(Be sure your monitor support the default resolution,if lower to the display resolution,will cause out of range,mean it will can not show DVR.will be black screen,need switch to lower display resolution)
4CH

Coaxial audioSupport 4CH coaxial audio (need camera with microphone,TVI camera or AHD camera,you can buy from US) How to connect App TuyaConnect Rj45 cable to DVR network port with Wifi Router.then power on the DVR.wait it reboot.after reboot,scan the QR code of ShortURL


Features:
H.265/H.264 Video compression TVI/AHD/CVI/ IP four in one,Multi-mode input, HD analog vido encoding, support for high-definition analog and high-definition network video input Using cloud services, easily achieve a variety of network penetration; one step to achieve remote monitoring, and no need various complicated network settings. It is convenient and easy operation Support coaxial audio Support mobile phone remote monitoring(IPhone /Android) Supports VGA, HDMI output simultaneously Powerful Network Services(Support DHCP、PPPOE、FTP、DNS、DDNS、NTP、UPNP、EMAIL、IP Competence、IP Search ),Perfect matching(WEB、Client、SDK),Easy to achieve mutual-communication 8 kinds of languages supported
Technical Parameters:
Model | 4CH 1080N XVR | system | DSP | MC6630 | AD | TP2830 | DDR | 1G | Video Compression | H.265/H.264 | Operating | Embedded Linux | Video | Input | 4CH | VGA output resolution | 1440*900,1280*1024,1280*768,1280*720 | HDMI output resolution | 1920*1080,1440*900,1280*1024,1280*768,1280*720 | Audio | Audio input | 4CH Coaxial / 1CH RCA | Audio out | 1CH | Intercom | Yes | Decoding | Encoding | 4CH * 1080N/25fps |
| Synchronous Playback | 1CH * 1080N/25fps |
| Recording Mode | Regular /Manual/Motion detect | Operation | Multiplex Operation | live display& instant playback, record, Slice playback, backup and network | Network management | Network protocol | TCP/IP, DHCP, Cloud,P2P,DDNS, NTP, SMTP | Backup | USB HDD /U-disk | Yes | USB update | YES | Backup file format | DAV、AVI | Client | Mobile phone operating system | IPhone, Android | Storage | HDD number | 1*10TB | E-SATA | NO | Extemal interface | Network interface | 10 / 100 Mbps Ethernet (RJ-45) | RS485 | NO | USB interface | 2*USB 2.0 | Other | Power supply | DC12V / 2A | Working temperature | -10°C ~60°C | Humidity | 10% ~ 90% Humidity |
Parcel include:1*DVR Board1*Sata data cable1*Sata power cable1*Button Battery
Please note:1.please use at least 12V2A power adapter connect this board,power adapter is very important,make sure your power adapter is in good quality. if you connect with 3T or 4T HDD,please better connect with DC12V3A or 12V5A power adapter. 2.the board display resolution is default 1920*1080P.If you use a monitor to connect this device, please make sure it can withstand 1920*1080P resolution input. or the monitor will show black screen after it display first time the Boot logo(will show "out of range" or "input not supported") 3.You need to ensure that your monitor resolution can support my device resolution output or support adaptive mode, or you can try to not adapt to the monitor, |