Q:What is the difference between a network video encoder and a hard disk video recorder? And bolt machine cameras are the same as security monitoring? What kind of network video encoder used

Network video encoder is the use of front-end analog camera information encoded into digital information, and then transmitted through the network.

Q:Monitor camera parameters how to see the bigger the bigger the better?

The more the focal length, the more able to shoot distant objects, but the smaller the perspective, so depends on your specific needs, if you need a large range, you have to choose a small focal length, if you need to shoot distant, then select Focal length.

Q:Do you want to monitor the camera?

Do not need, are generally 12V1A power supply.

Q:Panasonic surveillance camera wv-cp704 / ch corresponding to which foreign models

First determine the problem, of course, is the discharge method: 1. LAN problems arise, then ping the camera's ip address, whether normal,

Q:Monitor video recorder, how do two video recorders show a display? Video recorder can not be connected with the exchange of two video recorders

(If there is a public network IP, the network camera is connected to the switch, a monitor. The camera is connected to the video splitter's inbound interface: a webcam, and then four of the four outgoing interfaces are connected to two monitors and one video recorder.) If With a webcam (no public IP), industrial usage, when the video quality is poor. ) 3, usage, the video distributor should also BNC interface: 1, video recorder, you can store; 2 with a video recorder on the line, the network hard disk video recorder connected to the display, network DVR then a 2 VGA (HDMI) distributor

Q:What is the meaning of monitoring the focal length in the camera?

So, you want to see a wide range, to choose a small aperture of the lens, but to see the target will be smaller.

Q:Monitoring camera Sony chip how to identify

Samsung low solution: with SONY SS-11 (SONY CCD out of stock when the most commonly used to mix)

Q:What do I need to do with video surveillance systems?

Video surveillance system consists of real-time control system, monitoring system and management information system. Real-time control system to complete the real-time data acquisition and processing, storage, feedback function; monitoring system to complete the monitoring of all-weather monitoring, multi-operation control point to switch multiple images; management information system to complete the required information collection , Receive, transfer, processing, processing, is the control of the entire system core.

Q:Monitor the camera's focal length 4 meters good or 8 meters good

General surveillance camera focal length is not 4 meters 8 meters, and some words are estimated that the focal length of the telescope. I think you focus on the unit you did not understand, monitor the camera focal length of 2.4,4,6,8,10 ... and so on

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

General camera commonly used lens specifications are 4mm, 6mm, 8mm, 16mm, 25mm and so on.