Q:How to install a camera at home, I can visit a website outside the home to monitor the situation?

Buy a network camera, access to switches and routers, the network camera can be accessed from the field through the computer

Q:Monitor the top ten cameras

Followed by: Hikvision as D-Link Dahua Dili as Sony Sony Sony Ithink Iceland as worry

Q:Police surveillance camera and civilian What is the difference?

Such as prisons, interrogation rooms, etc., need to use the explosion-proof damage to the camera, the police need to use the car head (plus lift rod), due to the increase in functionality, the cost will be relative to the increase, these are civilian do not need.

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

Under normal circumstances, the fixed focus of the surveillance camera, the seller told the larger size, through the camera to see the target larger (that is, look far), but the narrower the angle of view (observation range), the shorter the depth of field. The smaller the size of the lens, the smaller the target (see near), the wider the viewing angle (the viewing range), the longer the depth of field.

Q:Monitor host can not find the camera ip how to do?

Please make sure that the equipment is working properly (power supply is normal).

Q:There are cameras at the fork in the expressway

The first speed camera is a shape like a rectangular box, play a decisive role is actually connected with the radar module. Radar detection vehicle over speed will be linked when the camera to take pictures of evidence. The speed radar uses the Doppler effect principle. When the vehicle approaches the radar antenna, the reflected signal frequency will be higher than the transmitter frequency. When the vehicle is away from the antenna, the reflected signal frequency will be lower than the transmitter rate. This can be calculated by the frequency of the value of the target and the relative speed of the radar.

Q:A camera for an hour how much space

CIF according to each camera 0.2G per hour calculation, the day is about 5G. 2 head every day is 10G, 500G hard disk format after 460G, probably can record 46 days.

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

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

Q:What is the difference between a wireless surveillance camera and a cable surveillance camera?

Monitoring camera is a semiconductor imaging device, which has a high sensitivity, anti-glare, small distortion, small size, long life, anti-vibration and so on. Surveillance camera security system, the image generation is mainly from the CCD camera

Q:How is the general surveillance camera connected to the computer?

(1) Turn off the computer, turn on the chassis, and install the video capture card in an empty PCI slot, as shown in Figure 1.25.