Q:How to find the camera dead ends

Professional is this: from the camera's lowest vertical angle and 45 degrees direction of the corner shot to the ground for the vertex to draw a square to the corner, for most of the camera is within the square of the collection area is invalid, basically applicable to The market of 90 percent of the camera, very few high-value professional equipment, except, even if the square of the two sides can sweep the image of the place has been seriously deformed, there is no legal effect, this has been in court there are numerous cases

Q:Can I monitor the camera?

Monitor the camera can focus on it? Otherwise, when you buy the camera, there are "distance" to buy. However, the general camera does not have auto focus function. The focal length is the manual "fixed" focal length. High-end and dedicated camera with auto focus, manual zoom function.

Q:Monitor the camera automatically zoom, electric zoom, manual zoom, zoom lens meaning and difference?

Electric zoom: Electric zoom usually refers to the camera through the console (such as hard disk recorders, matrix controller, cloud mirror controller) can make the camera zoom.

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

Infrared waterproof integrated camera I have two, you see is not what you want!

Q:Monitor how much power the camera has

The general camera is 5W (with infrared)

Q:HD camera and infrared camera difference

HD camera is said that his clarity, infrared camera is that it's night vision function, in order to highlight the main features of the name of a

Q:How quickly remember to monitor the camera model, to do business, such as the DS_2CD3T20D-I5 which is what is the Thank you

1.4 The camera type code is represented by an Arabic numeral, see Table 1. Code definition 1 General type camera 2 Integrated camera 5 Dome camera 7 IP dome camera 8 IP gun type camera

Q:Hello, because no electric video recorder did not manually set, but I would like to look back a few days before the monitor can be transferred out

3, the operator will not operate the hard disk video recorder, did not correctly follow the normal steps to call the DVR video. 4, hard disk video recorder motherboard problems.

Q:Use home computer camera how to install home monitoring?

With the home computer + camera, you have to keep driving the computer, which for the computer life will be affected, I suggest to buy a professional surveillance camera, and now is not expensive, our family has installed a power line network camera , Is the NPC monitoring package, this set of monitoring is still very convenient do not need to pull the cable, through the wire will be able to transmit network signals, including two cameras and a video recorder is only 1 thousand points, not expensive, you can remote monitoring. hope this helps!

Q:What kind of material is needed to install the surveillance camera?

4, the number of video recorders, embedded professional hard disk video recorders have 4,8,16, the greater the number of road options can record the number of head more. Zhejiang Dahua video recorders for the 4-way 950 yuan or so. 8 Road, about 1,200 yuan 1615 yuan or so. If there are idle computer can also be installed to install the card to soft compression card for the column 4 Road 260 8 Road 380 16 Road 650