Standalond Digital Video Recorder DVRNT-D8124-H3(H3)

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Product Description:

Standalond Digital Video Recorder DVRNT-D8124-H3(H3)

• Support 3G dialing,WIFI
• Support multiple web browsers
• 2 USB port to support mouse,backup,burn and upgrade etc.
• More than 20 kinds of languages 
• Operation:Embedded Linux
• Dual stream:  Can be set up in each channel
• GUI:16-bit,Display split:1/4/8/9/16
• Image coding:H.264 
• Video:  16ch 960H real time
• Video input:16*BNC        
• Audio input:8×RCA
• Video output:1BNC,(1.0Vp-p,75Ω),1VGA,HDMI 
• Audio output:1*RCA 1
• Network interface:10M/100M base-T Ethernet (RJ-45)
• USB connect port:2 x USB 2.0 
• RS485:RS485*1  , Alarm input: 4CH , Alarm output: 1CH
• Hard disk:4 SATA HDD port
• Power:12V/4A , Power consumption:≤50W 
• Operating Temperature:-10℃~+55℃  
• Operating  humidity:10%-90% 


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    Q:What is the difference between monitoring the camera and the usual?
    Video capture card: video capture card, also known as data acquisition card and image acquisition card, which is mainly used for security monitoring card, usually on the camera or camera and other signals to capture, and MPEG format stored in the hard disk PCI plug Slot card. Also known as video surveillance card. For more information, please visit: http://baike.baidu.com/view/3237786.htm
    Q:Does the infrared surveillance camera automatically alarm when someone enters the monitoring range?
    General camera is not the end of the low-end camera does not have this function, you can use the alarm to linkage, the alarm through the infrared detection of some people come in, will alarm. There is an automatic monitoring area of the camera can be, once someone appears in a certain area will be the alarm, similar to the road to shoot the kind of red light. Very sensitive, but the cost is relatively high. The best infrared camera can find 300 meters of people, but it is expensive.
    Q:Monitor camera parameters how to see
    Aperture: the aperture installed in the back of the lens, the greater the aperture open, the greater the amount of light through the lens, the higher the clarity of the image; the smaller the aperture, the smaller the amount of light through the lens, the image clarity low. Usually with F (luminous flux) to represent. F = focal length (f) / light aperture. In the camera's technical indicators, we can often see 6mm / F1.4 such parameters, which indicates that the focal length of the lens is 6mm, luminous flux of 1.4, then we can easily calculate the aperture of 4.29mm. In the case of the same focal length f, F value is smaller, the greater the aperture, reach the CCD chip, the greater the luminous flux, the better the lens.
    Q:Surveillance video can only save 4 days (the original can save about 15 days), is not the hard disk video recorder is a problem?
    If that's the case, then you can consider replacing the hard drive.
    Q:Dahua monitor a single image upside down, the rest of the camera are good, how the matter, had been good!
    I also encountered a similar situation, contact Dahua customer service, there is no solution, this is pit! Later changed the AnRui pass the camera, feeling okay
    Q:Monitoring camera 6mm 8mm 12mm 16mm length and width can be according to how much.
    According to the imaging principle, the smaller the focal length, the wider the field of view, but the distance is not clear. The larger the focal length, the narrower the field of view, but the longer the distance will be clearer.
    Q:Digital surveillance camera how to increase? Each head of the ip are 192.168.1.10 now have ten cameras. Ask how to do?
    Modify the last two digits of each camera is like a 192.168.1.11,192.168.1.12, ...
    Q:Monitoring the camera has a 700 line with 1080 lines of 900 lines is what does that mean? consult
    How many lines follow the concept of the simulation era, and how many lines can be resolved from left to right (similar to resolution, but not equal to resolution). 1080 refers to the video from top to bottom there are 1080 lines, also refers to the full HD resolution, and 1920 (each line) * 1080 (line), which is the format of digital video
    Q:Monitor the image of the camera appeared black and white colorless situation, is this how is it?
    First of all, you first look at the monitor is not set to black and white and then in the hard disk video recorder you look at the system is not wrong
    Q:Monitor there is a camera monitor can not see, but the playback can see, how is it?
    1, the composition of the monitoring system principle, front-end camera ---- monitoring host ---- monitor. The camera will collect the signal to the monitoring host, monitor the host output video signal to the monitor

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