Q:What is the power of the camera used for monitoring?

31 cameras, if all fixed, then the power supply of each camera should be DC12V / 1A, each 12W, 31 * 12 = 372W, RVV2 * 0.75 power line is enough.

Q:Monitor the top ten cameras

Foreign brands: SONY, Panasonic, Samsung, Sanyo, Pyle high, Honeywell, and so on domestic brands: Yaan, Ming King, SOWZE, Hai Kang Wei as. The The Too much

Q:What is the effective range of infrared surveillance cameras?

Infrared probe about 3 meters to 12 meters between ~ ~ some special except to see the main object of the strong degree of reflex is not strong.

Q:Yourself at home with a computer monitor how to install. Need to set up those. And installation steps

3. Fixed monitoring camera, out of the bracket, the plug, screw, screwdriver, hammer, electric drill and other tools, in accordance with the pre-determined location, installed bracket. Check the camera, the camera in accordance with the agreed direction installed;

Q:What is the 960h in the surveillance camera?

DVR can also achieve the effect of 960H program. Samsung 650 cable cameras are used 960H program, the same effect to reach the 650 line only in the case of the use of 960H program can be achieved.

Q:Monitor the type and purpose of the equipment

1, one machine, the role of dust and moisture, with its own shield, indoor and outdoor can be.

Q:HD surveillance cameras are common faults

1) check the camera's power is normal, the infrared machine to cover the photoresistor when the infrared light will open, and can hear the sound of the IR cut switch;

Q:The monitor camera does not display the image on the display

The camera directly connected to the hard disk video recorder, if there is no image, there is a problem line.

Q:Camera gun 4MM, 6MM refers to what?

Monitor the camera said 4mm, 6mm is the size of the camera to monitor the camera, the smaller the number of mm mm, the larger the area of the monitor, the wider the angle, but the distance is not far, mm the greater the number of monitoring the farther away , But the monitoring of the angle will be a lot smaller, the specific parameters can refer to the following table, I was monitoring camera manufacturers, if you need a camera can contact me, the user name is my phone, hope my answer can make you satisfied, If you still do not understand the phone can be consulted

Q:How to make cable monitoring camera temporarily failed

2. with a laser pen on the camera to shoot what he can not shoot down the camera are automatically exposed but there is a light it automatically reduce the exposure.