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

This depends on how much the face of the CCD friends, 1/3 is 71 degrees 1/4 is more than 51 degrees

Q:Wireless surveillance camera security is not? Easy to be peeped not? LAN and external network access speed how?

This depends on your own, and manufacturers want to remotely monitor your camera can certainly see, because you are remotely through the manufacturers of the background server, the password what the background still see, of course, speed must be connected with your camera The network and your terminal to receive a relationship with the network.

Q:How to connect a hard disk video recorder to a computer

(3) hard disk video recorder itself is a separate recording, operation and other monitoring functions of the host, do not need to connect with the computer. Because the hard disk video recorder is a separate function of the host, even with the computer connection, the computer host is open, the DVR can be normal video. Now the video recorder basically support network access, the video recorder and computer network cable docking, install the CMS software or through the browser to access the IP address of the video recorder can play the recorded video recording.

Q:How to remotely monitor the phone

2, with the network cable through the computer connected to the switch, you can see the online camera, and can also be connected through the Wifi wireless network IPAD, notebook, first of all to see if this camera is to support mobile phone viewing, if supported and this IP CAM has Access to the public network, and the phone is a smart phone that can be remotely monitored online, you can also use the NVR recorder to connect the switch, use the display connected to the video recorder can be seen at any time to monitor the recorded screen images, remote users can Log in to the IPC domain to view, control, manage and record IPC. Remote user login IPC can be through the web browser (IE) and the corresponding video centralized management software to achieve, the operation is very convenient, so that you can use the normal network camera.

Q:An accurate calculation formula for monitoring the focal length and actual distance of the lens

While the use of long focal length lens can see the car's license number (the car occupies most of the area on the screen), but can not monitor the entire car park

Q:Can I monitor the camera?

Can be some of the price of a little high point of the camera can be basically called the one machine. Install the cable when you need to pull a set of control lines, so you can control the control of the lens where the focal length. Want to adopt

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:A camera for an hour how much space

This depends on the camera to shoot the quality of the picture, give you a camera 130W, each picture is 30K look, the picture is 10 Zhen, then every 10 is the screen, that is 300K, 1 hour 3600 seconds , Take out 1080000KB to remove 1024, that is, 1G look like

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

Now that the effective range of infrared camera monitoring is how much, bad conclusion, the general infrared camera 3.6-6 mm camera is generally within 40 meters, belonging to the indoor machine and the door is dedicated to wide-angle lens.

Q:Can the general camera be monitored?

All cameras can be monitored, but not all cameras are suitable for monitoring. The purpose of monitoring is to clearly record the process of the incident, which requires the performance of the camera as a monitor to suit the work environment, site conditions and other requirements.