Q:What is the black box that monitors the camera connection?

Optical (transmitter) is the camera output of the electrical signal is converted to optical signals, through the fiber to the signal transmission to the control room, and then (the receiver) will be converted to electrical signals into electrical output to the hard disk video recorder.

Q:Will a 12V10A switching power supply with a few 12V2A surveillance camera? How far can its DC current output? Please have experienced master answer, thank you

General 2 * 1 power line transmission 300 meters is no problem.

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.

Q:Does the surveillance camera itself have a record storage function?

Usually used in analog surveillance cameras are generally only with the signal output itself does not record storage function

Q:Wireless remote monitoring camera farthest to monitor how far

Monitoring distance unlimited, there is a network can monitor ... have

Q:What kind of surveillance camera is good

The performance of the camera is mainly the minimum illumination (that is, the ability to adapt to the dark light), focal length (according to your workshop to install the camera position and to monitor the range of fixed focus, the shorter the shorter the focal length of the larger image is not very clear

Q:What kind of surveillance camera is good for the hotel?

Corridor: generally with ceiling-mounted explosion-proof hemisphere, easy to install, the overall effect of beautiful.

Q:What is the difference and connection between the optical zoom and the digital zoom of the camera in the security monitoring?

Digital zoom, the software is a way to achieve the realization of electronic amplification, and more for high-definition network camera, through the camera's capture screen, the screen to enlarge the local.

Q:Will the video surveillance camera screen will jump out of this camera settings like the option?

It should be accidentally transferred out of the camera settings menu, if it is, then select the corresponding camera, and then exit the menu

Q:How to install a surveillance camera

3. Finally, debug the video device. Note: In Win7, the video screen requires third-party software to be displayed.