Q:3.6mm and 6mm surveillance camera can see the screen angle is how much

3.6MM angle is generally about 87 degrees 6MM angle is 60 degrees. The scope of the monitoring is not the same, a clear distance is not the same, 3.6MM lens is generally the best clear distance of 7-8 m 6MM lens the best clear distance of 15 meters 3.6mm: 90 ° about 6mm: 60 ° 8mm: 45 ° about 12mm: 35 ° or so

Q:Does the infrared surveillance camera automatically alarm when someone enters the monitoring range?

This as long as your video recorder has this function can it? The general are brought, so you can find the above settings on the VCR

Q:How to clean the surveillance camera

With a special degreasing clean cotton dipped in distilled water from the middle of the lens spiral to wipe out. Be patient and wipe a few times until the dust is wiped off;

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:Monitor host can not find the camera ip how to do?

Please make sure that the equipment is working properly (power supply is normal).

Q:960P HD network camera stored one day more G?

41G, vision of the world network is very good, I used

Q:How to use video surveillance video surveillance

Forget to tell you, a decoder card (4 Road Dahua) 1200 yuan, 300 yuan conversion interface.

Q:Monitor camera lens 4-6-8-12-16MM difference.

4 of 3-4 meters wide angle of 45 degrees, 6 of 6-8 meters wide angle of 38 angle, 8 of 8-12 meters wide angle of 35 degrees, 12 of 12-15 meters wide angle of 30 degrees, 16 of 20 meters / wide angle 27-28 degrees,

Q:Monitor the camera infrared light does not shine what is the reason

Daylight is not bright, or only see the little red dot, because the infrared light only issued infrared light. People can not see, only to see the red red dot red

Q:How is the general surveillance camera connected to the computer?

(1) Turn off the computer, turn on the chassis, and install the video capture card in an empty PCI slot, as shown in Figure 1.25.