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:What is the reason for monitoring the camera's black screen?

Fourth, the monitoring of the video signal line broken (including line damage, poor contact), but also cause a black screen.

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

Your worry is not unreasonable, but a manufacturer's server has thousands of user information, not boring to specifically to peep at you (after all, you are not a public sensitive person), through the phone to visit, according to your use The speed of the network decision, according to the current majority of the network speed, there will be a certain delay and pause. If it is high, then the amount of data required to send more, of course, is more serious. If the inside of the LAN, then the speed will be much faster. As for the hard disk video recorder is good or computer card collection to see the specific situation. But in general, it is recommended to use hard disk video opportunities more stable and professional.

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

The DVR mainly converts the analog video signal into a digital signal for storage (that is, video). Now the hard disk video recorders are generally with network transmission function. Know the product features also understand the use of places, the encoder is generally used for network monitoring.

Q:Wireless remote monitoring camera farthest to monitor how far

Wireless camera, generally refers to the access network part is wifi, not wired, so his distance is determined by the distance of the wireless router, spade router power how much it can extend the distance even greater, as the camera can see how much Range, decided by the camera lens, usually 10-20 meters.

Q:Monitor what is good for video recorders

Color it. From the quality point of view, basically what is called the brand, are very durable, not easy to bad.

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:What kind of surveillance camera points

Infrared integrated camera, integrated camera, infrared hemisphere, ordinary hemisphere, explosion-proof hemisphere, constant speed ball, medium speed ball, high speed ball, network camera, gun camera (low light, wide dynamic, color to black) And so on.

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

2, although the surveillance camera access to the hard disk video recorder, but the video storage of the hard disk failure, can not playback.

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.