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FAQ

What is the meaning of monitoring the focal length in the camera?
Surveillance cameras sellers do not understand the concept of a lot of focus, they tell you that the lens is a few millimeters, the a few millimeters is the focal length or lens caliber they do not understand, they only know to see far or see close.
Monitor the type and purpose of the equipment
3. Color dome camera for indoor, ceiling place easy to install.
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.
Monitor the camera if the power supply to him a large current, pay attention to the current is not the voltage, the voltage is 12V, then what will happen to the camera?
The current is very rare to see this situation, but the current is low, then I am sure that the monitoring head will appear like a pattern like interference
I installed a monitoring camera admin user password forgotten! How do you handle
Hai Kangwei as: user name admin password 12345
57 Road 1080P surveillance video requirements to store a month, how much hard disk space?
4 Road 500G to the top of more than a month, few have more than 7TB, you can look at Taobao looking for the camera to buy the shop side, you ask people, he will tell you.
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.
Will a 12V10A switching power supply with a few 12V2A surveillance camera? How far can its DC current output? Please have experienced master answer, thank you
12V10A switching power supply with 5 12V2A surveillance camera.