Wholesale AHD DVR Cctv Camera

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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

Wholesale AHD DVR Cctv Camera

Q: Camera clarity, 1080p. 3mp. 4k, what does it mean: 4K, that is, 3840 × 2160 pixel resolution

Q: What is the camera's shooting range? How much is the diameter?: The lens used in the camera is similar to the SLR camera, and is arranged in the order of 2.8mm, 3.6mm, 4mm, 6mm, 8mm, 12mm, 16mm, 24mm and so on. The smaller the number of millimeters, the wider the picture taken by the lens, but the closer the distance is; the larger the number of millimeters, the narrower the screen taken by the surveillance camera, but the farther the distance is.

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: What is the name of the camera with the monitor?: Called the probe, you have to look at the name of the device, do this thing too many manufacturers, the shape is the same, this is considered behind

Q: 6mm camera and 3mm camera What is the difference: 2, the smaller the lens to see the greater the angle, on the contrary, the larger the lens to see the smaller angle;

Q: Monitoring camera Sony chip how to identify: Samsung low solution: with SONY SS-11 (SONY CCD out of stock when the most commonly used to mix)

Q: What are the problems with the surveillance camera?: Monitoring the failure of the camera performance for several aspects: ① power supply is not correct equipment failure. ② equipment line connection reasons. ③ the quality of the equipment or components themselves. If it is installed problems caused by the problem, you can solve, but if it is to monitor the camera's own reasons, it would return to the factory maintenance. Now many manufacturers have done a good job after-sales service, such as Hai Kang, Dahua, Zhong Ying Xin and so on.

Q: What is the meaning of monitoring the focal length in the camera?: Under normal circumstances, the fixed focus of the surveillance camera, the seller told the larger size, through the camera to see the target larger (that is, look far), but the narrower the angle of view (observation range), the shorter the depth of field. The smaller the size of the lens, the smaller the target (see near), the wider the viewing angle (the viewing range), the longer the depth of field.

Q: The monitor camera does not display the image on the display: The camera directly connected to the hard disk video recorder, if there is no image, there is a problem line.

Q: An accurate calculation formula for monitoring the focal length and actual distance of the lens: While the use of long focal length lens can see the car's license number (the car occupies most of the area on the screen), but can not monitor the entire car park

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