Q:Camera clarity, 1080p. 3mp. 4k, what does it mean

3MP, 3 million pixels should be valid pixels or still photo pixels

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 difference and connection between the optical zoom and the digital zoom of the camera in the security monitoring?

Optical zoom is that we often say that the mechanical zoom (manual and automatic), manual is the lens we usually zoom, auto zoom is common is that we use the ball machine and PTZ to pull closer to control zoom.

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 farthest distance from the camera can be far, which manufacturers out

Commonly used fixed lens camera lens focal length specifications are 4mm, 6mm, 8mm, 16mm, 25mm, viewing angle were about 80 degrees, 65 degrees, 50 degrees, 30 degrees, 15 degrees, the effective distance of 10 meters, 20 meters, 30 meters, 40 meters, 50 meters.

Q:What do I need to do with video surveillance systems?

The monitoring system is composed of a large part of the camera, transmission, control, display, record registration. The camera transmits the video image to the control panel through the coaxial video cable, controls the host computer and assigns the video signal to each monitor and video equipment, and can simultaneously input the voice signal to be transmitted into the video recorder. By controlling the host, the operator can issue commands to control the up, down, left and right movements of the pan / tilt and zoom in on the lens, and can be controlled by the host in multi-camera and PTZ Between the switch. The use of special video processing mode, the image can be input, playback, processing and other operations, so that the video effect to achieve the best.

Q:What does it mean to monitor the camera channel?

Channel refers to the physical location of the video input of the camera on the monitoring matrix or the DVR device.

Q:Hikvision monitor as a recording function?

Under normal circumstances, monitoring refers to the video surveillance, voice monitoring generally in the banks, schools, prisons, etc. will have to see the requirements of the installation of the recording system, there is no equipment

Q:An electronic surveillance camera every month to consume how much electricity

2, the ball machine consumption of about 28-30 degrees per month or so; and infrared type, the general power consumption of about 5 degrees per month. Without infrared, power consumption of about 3 degrees.

Q:I installed a monitoring camera admin user password forgotten! How do you handle

Terry: username admin password empty