Q:Outdoor surveillance camera what brand good ah

According to the camera brand, then the following brands are very good.

Q:What is the meaning of the camera uid?

Uid is the user code is registered when you are automatically generated in the database inside. The

Q:Monitor the camera what models

Longitudinal and show --- focus on monitoring the camera manufacturers! Longitudinal and was located in Beijing, serving the country. Established in Zhongguancun, research and development in Changping District.

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

(2) If there is only one hard disk recorder, you do not need to purchase the switch, and use the crossover cable (one end of the other end B head) to connect the hard disk video recorder and computer can be. Use the computer to access and control the hard disk recorders: use IE browser in the address bar typing http: // hard disk video recorder IP address: port number to open the login page, enter the hard disk recorder administrator account and password on it.

Q:How to clean the surveillance camera

If there is oil, use a special cleaning solvent, a small amount of these early decontamination work.

Q:What kind of monitoring camera is used in the store? 360 ° with the introduction of ordinary

If the store to install two, generally use diagonal installation, select 3.6MM lens, the basic can see the whole store (of course, the store is not big, about 20 square).

Q:Monitor the camera must be a separate threading it?

If it is not strong power will not affect what.

Q:I now on the 4th floor balcony by a monitor, the main monitoring downstairs car, what kind of camera is good

Probably give you the next, the higher the number of lines the better the clarity of the camera, 480 lines enough for you to use, as the number of the larger number of millimeters, the narrower the narrow range, but clearly, the small number of meters wide to see the corresponding objects smaller

Q:Monitor knowledge! 1.2 m × 20 meters of the corridor with a large angle of the camera the best?

According to my experience, the first with 6mm lens, the second with 3.6 or 4mm lens is better.

Q:Monitor the camera infrared light does not shine what is the reason

Insufficient power supply Infrared light can not be activated (the screen will be black stripes)