Q:Monitor there is a camera monitor can not see, but the playback can see, how is it?

Playback can see that the front-end camera to monitor the host connection is good, the monitor can not see the reason is because the monitor host to monitor connection problems.

Q:Monitor inside the infrared network camera infrared light automatically switch and synchronous switch What does this mean?

Synchronous switching --- image color mode switching action by the fill light control, light image black and white, light off image color. The

Q:Will monitor the camera should buy much. Room size of 8 meters 7 * 3 meters 3, is expected to use four camera monitoring head. Will the camera to buy much?

The lens can choose 3.6MM, how many lines of their own election it, the higher the more clear, now generally the highest is 700 lines.

Q:Elevator in the monitor camera lens focal length with the number

The smaller the number of millimeters, the greater the angle, see the closer .3.6 mm angle of about 75 degrees, the proposed monitoring distance of 5 meters .2.8 mm angle of about 90 degrees, the proposed monitoring distance of 3 meters

Q:57 Road 1080P surveillance video requirements to store a month, how much hard disk space?

Need 91T or so hard drive, high-definition quite occupied hard disk, 720P basic to a small half,

Q:What is the meaning of the high definition and standard definition of the surveillance camera?

Sub-level is not the same, there are industrial-grade, home-class, high-definition standard than the standard standard strict.

Q:Monitor the type and purpose of the equipment

2. Color gun camera, generally used for indoor, if you add an outdoor shield, you can also be used for outdoor.

Q:Monitor the use of the camera

Depends on what you use, the use of more than 1. to prevent the occurrence of traffic accidents. For example, on the highway if there is no monitoring of the camera monitoring, some people will drive speeding, resulting in traffic accidents, which will

Q:What does it mean to monitor the camera channel?

Channel refers to the physical location of the video input of the camera on the monitoring matrix or the DVR device.

Q:Monitor the camera to take pictures at regular intervals

So the request is a special request, need to monitor the manufacturers in consultation, requiring the host to achieve this function, they are not difficult.