Q:What is the number of lines that a surveillance camera needs to use?

3, the control line (it is the PTZ, the spherical camera control line, with a two-core dvvr line)

Q:Monitor the difference between the camera 720p and 1200 lines

Simply from the literal point of view, 1200 lines look better than 720P, but the actual effect, the 1200 line of the camera is through digital-analog conversion, and the effect of CMOS lens application in the simulation system, matching the problem (popular say acclimatized) , So the image of the 1200 line is much worse than the 720P image.

Q:Video surveillance camera pixel 1080P what it means

1080P is a video display format developed by the American Society of Film and Television Engineers (SMPTE).

Q:The camera used to monitor the color of the screen is not normal. Blue as red. Red out is blue. New to buy the camera

This is the reason for the collection card, the problem is installed after the acquisition card.

Q:What is the name of the camera with the monitor?

Called the probe, you have to look at the name of the device, do this thing too many manufacturers, the shape is the same, this is considered behind

Q:Monitor the camera hemispherical gun shape which is good

So that can not use a "good" the difference between the two words. There is only a need for site installation.

Q:Monitor how much power the camera has

Monitoring the head 12 volts, the general use of 2 amps, and finally their own operator

Q:Hai Kangwei as the camera mapping problem

If the phone also want to monitor the settings, then, this one must be indispensable. Open the phone settings, and then must remember to monitor the port Yo

Q:I now on the 4th floor balcony by a monitor, the main monitoring downstairs car, what kind of camera is good

I suggest you put the width of the next I give you the election, the scope is not very wide, then the proposed election 6 or 8 mm so no blind car can see. Brand recommended domestic Hai Kang or Jing Yang foreign Samsung or Sony. The price is high but the quality is not blown. There are gods do not know to continue to ask questions

Q:HD surveillance cameras are common faults

3) check whether the IP address of the camera and other IP devices within the LAN conflict, the host's IP address and IP address of the camera is in the same network segment;