Standalond Digital Video Recorder DVR NT-D8008DH-F(F5)

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 pc

Supply Capability:: 5000 pc/month

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Standalond Digital Video Recorder DVR NT-D8008DH-F(F5)

• 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: 8ch D1 or CIF real time
• Video input: 8XBNC,(1.0Vp-p,75Ω)
• Audio input:8×RCA
• Video output:1BNC,(1.0Vp-p,75Ω),1VGA,HDMI 1080P

Q:What is the number of millimeters that monitor the camera?: And then the zoom is generally wide angle is more than 90 degrees above the normal is about 30 degrees long focal length is less than 20 degrees

Q:How many mm meters I use to monitor the camera: 3, the cash register camera is designed to monitor the behavior of the cashier or monitor the action of the payer? Because the installation of these two conditions are different, regardless of who to monitor, to be installed in the opposite of the monitor, if you want to see the face of the monitoring object, the installation should not be above the cash register, or as satellite images, Only to see the head, and the general cash register is installed in the side, both sides of the face and cashmere action can take care of, as to whether the hemisphere, to see your environment decided, in addition to the installation site, no principle difference.

Q:Monitor the camera's focal length 4 meters good or 8 meters good: Showing the shooting of the smaller the object, looking very far feeling. The larger the number, the shooting angle is small, shooting the display of the object is closer, look bigger.

Q:What is the difference between monitoring cameras CCD1 / 3 and 1/4?: The bigger the CCD is, the better. There are now 1 inch, 2/3 inch, 1/2 inch, 1/3 inch, 1/4 inch. 3.6MM lens distance of about 8 meters 6MM lens distance of about 15 meters 8MM lens distance of about 25 meters 12MM lens distance of about 35 meters is the larger the lens, you can see farther things, but see the face very little difference is 1 / 3 lens of the light through the small aperture

Q:Is to use two TV sets, and can use this one to monitor the camera. Can I? How should I pick, but also with what accessories. Please prawn help me, thank you: It is easy to monitor the monitor is the home TV can you know the three links it? Three-way head is the video signal is divided into two head is the first video signal into the two is the video signal out of the installation method: you connect the camera to the monitor Q9 head into the three-head video signal out of the two head plus an extension Line on the OK three links head practical low price is not easy to install the video signal is generally 2-3 yuan a you use the words to do security monitoring on the market have to ask the way to sell this method does not need any other parts of the re-use What the distributor does not need to listen to people blindly be careful to be black you price

Q:Video surveillance video storage how to calculate the hard disk needs I use the 720P camera, to store 3 months of video, need to use the hard disk?: 720p format (750p): 1280 × 720 (horizontal 720 lines, progressive scan), a resolution of 1280 × 720p / 60Hz, the frequency is 45kHz General: a day about 24G.

Q:Monitor the video recorder has been unable to work what is the reason: Use the environment to have static electricity or current. You can try the recorder ground wire;

Q:Do you want to monitor the camera?: Strong delivery is to talk about the power adapter on the camera side, the transmission line is 220v. Suitable for camera from the camera collagen.

Q:What is the maximum visual range of a video surveillance camera?: And the lens, light board angle, detailed advice Jinrui as surveillance cameras

Q:Monitor camera parameters how to see: Field of view: In engineering practice, we often use the horizontal field of view to reflect the shooting range of the screen. The larger the focal length f is, the smaller the viewing angle is, and the smaller the screen range is formed on the photosensitive member. On the other hand, the smaller the focal length f is, the larger the field angle is, and the larger the picture range is formed on the photosensitive member.

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