Wholesale AHD DVR Cctv Camera

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Specifications

1.China Manufacture cctv camera
2.1/4"CMOS 720P 1MP
3.AHD Camera
4, via 75-3 to 500m
5, OSD optional

Product Description


China hd cctv camera/new tech AHD camera/wholesale AHD DVR cctv camera


KEY FEATURE:

* 1/4’’ CMOS sensor, 720P 1.0MP (1280*720)

* BNC port, transmission distance (coaxial cable75-3 @720P) is 500M.

* Support HD video

* With IR-CUT for days and night.

* OSD menu (optional)

  China hd cctv camera/new tech AHD camera/wholesale AHD DVR cctv camera

Model

AX-100AHD

chip

NVP2431H  ISP processor

sensor

1/4 "CMOS sensor

Effective pixels

1280 X 720

Video

AHD and CVBS standard

system

PAL/NTSC

Video output

1ch AHD HD / CVBS standard definition output (can switch)

Frame rate

PAL:1280x720@25fps   NTSC:1280x720@30fps

Transmission distance max

Over 500M via coaxial cable 75-3

Day&night

IR-CUT auto switch

OSD menu

Optional

White balance

Auto/manual

BLC

Off/low/middle/high/ very high

HLC

support

Power supply

DC12V 1A

consumption

4W±10%

Working temperature

-20°C_55°C



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Q:Monitor the camera hemispherical gun shape which is good
So that can not use a "good" the difference between the two words. There is only a need for site installation.
Q:Monitoring camera POE power supply is good, or centralized power supply good?
The use of transformer front-end power take advantage, do not have to consider the line loss, because there are transformers can reduce the loss of lightning to the lowest (of course, lightning B is not guaranteed, are force majeure; unless there is a special contract), after-sales fault detection, Check the problem is out of the camera or power problems, with the lights of the transformer is a glance!
Q:Monitor inside the infrared network camera infrared light automatically switch and synchronous switch What does this mean?
Automatic switch, that is, the camera detects the outside environment, light black to a certain degree of image to turn black and white. Morning to a certain extent turn color.
Q:Monitor the difference between the camera 720p and 1200 lines
If the above, a little knowledgeable people, will be divided into digital systems or analog systems to use these two units, but the market there are many comrades of the three classes, and no matter what the system equipment, to 忽悠 on the 忽悠, so 1200 lines are also widely used in analog systems and digital systems, which is a bit messy.
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:Monitor camera parameters how to see the bigger the bigger the better?
The more the focal length, the more able to shoot distant objects, but the smaller the perspective, so depends on your specific needs, if you need a large range, you have to choose a small focal length, if you need to shoot distant, then select Focal length.
Q:Use home computer camera how to install home monitoring?
The first transmission distance monitoring camera installation, generally need to use a few meters to tens of meters ranging from the transmission distance, but in accordance with the provisions of the USB standard, USB device, the longest transmission distance is 5 meters, so USB are Can not use long distance, which is what we use the USB camera to do monitoring the first problem encountered, the camera transmission distance. In fact, USB transmission distance can be resolved, USB can be extended through USB? HUB transmission distance, each additional HUB, you can extend the 5 meters, a total increase of 5 HUB, which is extended 5 times, each 5 meters, so The longest extension of 25 meters. Why is the USB demanding on the distance so strict? This is because the USB signal frequency is very high, the line in the process of transmitting the signal attenuation of the signal is very large, when the signal attenuation can not maintain the normal transmission of the signal, WINDOWS will prompt "to find unrecognized USB device" So the general distance can not be more than 5 meters!
Q:How to monitor the camera with the venue, what type of camera installed in what kind of site, the camera installed how much the number of lenses should be equipped with light board.
Monitoring camera should pay attention to the following: camera clarity, illumination, image storage time, etc., it is recommended to monitor the equipment franchise stores (generally every city computer city) asked clear.
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:Is the camera pixel taller the better?
Although the output of the picture is large, but the quality of the image has not been really effective to improve, and even there may be serious distortion. Only physical pixels high picture will be really clear.

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