Q:What is the difference between a dome camera, a gun camera and a dome camera in security monitoring?

Hemisphere is generally installed ceiling, the bolt is installed on the wall, whether with infrared light, the size of the lens according to the actual situation and customer requirements to consider. The dome can be rotated 360 degrees, set the preset position can be automatically cruise, you can automatically zoom to the center of the scene picture auto focus, keep the image clear, you can also manually focus.

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 name of the camera with the monitor?

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

Q:What kind of surveillance camera points

Infrared integrated camera, integrated camera, infrared hemisphere, ordinary hemisphere, explosion-proof hemisphere, uniform speed ball, medium speed ball, high speed ball, network camera, gun camera and so on.

Q:Digital camera and analog camera difference

2, digital camera: refers to the camera image processing and signal recording all use digital signal to complete the camera. The biggest feature of such a camera is that the signal recorded on the tape is a digital signal, not an analog signal. Digital camera into the image signal by the CCD into electrical signals, immediately by the circuit digital, and then all the records before the processing of all digital processing, and finally processed the digital signal directly to the tape or memory card.

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

1, if the surveillance camera is only access to the monitor, no access to the hard disk video recorder, video images are not stored, you can only see the real-time picture, can not playback.

Q:Test on camera delay problems

Test the network infrared camera delay problem is very simple, only need to monitor the camera at high precision stopwatch, so that the reality of the image and display the image contrast, through multiple arrests we can calculate the IPC delay time.

Q:Monitor the flash indicator on the DVR panel

Which lights are flashing? Hard disk lights and network lights flash is normal

Q:Monitor the camera has a video port, what is this mouth, then what machine, direct access to the TV can you?

If you want to video directly to the hard disk recorders, take a video line, the two do a BNC head (the electronics market to sell more), one end of the camera, one end of the hard disk recorders, hard disk recorders then TV or LCD Is a small set of video surveillance system.

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

3, each camera installed 12V transformer one. About 15-25 yuan / month