CCTV Camera CM-K21-S120 1/3"SONY SUPER HAD CCD Ⅱ 800TVL 3003P +811 CCD Super WDR Function

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$56.35 / pc
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5 Pcs pc
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Product Description:

IR Camera CCTV Camera CM-K21-S120 1/3"SONY SUPER HAD CCD Ⅱ 800TVL 3003P +811 CCD Super WDR Function IR Distance:35M
36pcs Ø5mm Leds
Size:210mm*68mm
Lens:3.6/6MM
Dual Glass With OSD

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Q: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?
If the voltage is 12V has been determined. The current is determined. The current is determined by the DC impedance of the camera. If the voltage changes, the current will change. If the camera is shorted. That its voltage also changed!
Q:Monitor there is a camera monitor can not see, but the playback can see, how is it?
2, may be the front of the camera connection problems, you can check the next video cable and power cord connection.
Q:Monitor the camera must be a separate threading it?
If it is not strong power will not affect what.
Q:What is the maximum visual range of a video surveillance camera?
Camera monitoring to its monitoring range is no dead!
Q:How is the general surveillance camera connected to the computer?
(2) Remove the screws from the video capture card box, the video capture card fixed in the chassis, as shown in Figure 1.26.
Q:Digital surveillance camera how to increase? Each head of the ip are 192.168.1.10 now have ten cameras. Ask how to do?
That is, 192.168.1.10 to enter the camera IE browser software interface, enter the factory to give you the login user name and password, enter the settings to modify the IP address, every modification to a good note on the camera to prevent forgetting IP
Q:Do i have a surveillance camera and a computer? Can the house be installed?
Can not be on the bed, bathroom. Computer poisoning someone else to get you live.
Q:The working principle of the camera with infrared light
First, the characteristics of infrared and infrared light light is an electromagnetic wave, with the same nature as the radio waves. Its wavelength range is from several nanometers (1nm = 10-9m) to about 1mm (mm). The visible wavelength is from 380nm to 780nm, the wavelength of visible light from long to short into red, orange, yellow, green, blue, blue, violet, the wavelength is shorter than the purple light, the wavelength of visible light is only a part of the visible light, visible light Called ultraviolet light, the wavelength is longer than the infrared light called infrared light. Infrared light wavelength between 780nm ~ 1000μm, located between the radio and visible light. Infrared light according to its infrared radiation mechanism is divided into semiconductor solid light (infrared emission diode IR LED) infrared light and heat radiation infrared light two. At present in the CCTV infrared camera in the former use more.
Q:What is the meaning of the camera function heartbeat?
In the previous case, the implementation steps are as follows: 1, in a unified authentication system to open a "heartbeat" thread, the timing of the implementation of a visit A system operation, access to the A system S interface; 2, A system to achieve an interface S, Function for each access to an access request, then record a record of access, for example: 2009-3-18 fw 3, System A also need to also open a "heartbeat" thread, not separated by a certain time, access to the interface S is done Visit the record to see if the last record of the old record logo, if not, then prove that the single point of the system has the latest "heartbeat" came, its function is no fault.
Q:Monitor the camera hemispherical gun shape which is good
Not look at the shape, the two if the internal configuration are the same, then look at the installation of the bit! The General indoor hemisphere, outdoor bolt, there are indoor bolt. But no outdoor hemisphere, the reason is inconvenient to install!
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1. Manufacturer Overview

Location Shenzhen,China
Year Established 1993
Annual Output Value
Main Markets

China; Mid East;Western Europe
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
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3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Shenzhen
Export Percentage
No.of Employees in Trade Department 50 People
Language Spoken: Chinese
b)Factory Information  
Factory Size: About 5,000 square meters
No. of Production Lines About 20
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Cheap, professional