CCTV Camera CM-K21-S114 1/4"SONY SUPER HAD CCD Ⅱ 420TVL SONY 3142DSP+643CCD

Ref Price:: $21.85 / pc

Loading Port:: Shenzhen

Payment Terms:: TT

Min Order Qty:: 5 Pcs pc

Supply Capability:: 20000 Pcs Per Month pc/month

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IR Camera CCTV Camera CM-K21-S114 1/4"SONY SUPER HAD CCD Ⅱ 420TVL Sony 3142DSP+643CCD IR Distance：35M
36pcs Ø5mm Leds
Size:210mm*68mm
Lens：3.6/6MM
Dual Glass

Q:What is the difference between a dome camera, a gun camera and a dome camera in security monitoring?: Ball with the above two biggest difference is that the ball can control the keyboard to control, generally installed in the need to monitor the relatively large range of the hall, outdoor large area. General bolt and hemisphere price almost. Cheaper on the hundreds of pieces, good also two or three thousand. But the ball will be very expensive, made in the thousands of good brands will reach two or three million.

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?: Modify the last two digits of each camera is like a 192.168.1.11,192.168.1.12, ...

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

Q:Monitoring camera POE power supply is good, or centralized power supply good?: With the POE-powered switch and the exchange of the difference between the exchange is enough to buy the power of the! POE power supply is a relatively high demand for the switch, the second is extremely unstable, but also increase the post-sale probability!

Q:P2p wireless monitoring camera how to achieve remote monitoring: I have a camera can be directly through the customer service side to add the camera id can be achieved remote monitoring, do not do port mapping

Q:What is the difference between a camera and a monitor?: With the monitoring system in the commercial and civilian increasingly popular, surveillance cameras (surveillance cameras) are widely used in various fields, escort for social security. Video surveillance cameras are widely used in residential, real estate villas, shopping malls shops, financial room, to security.

Q:Home pinhole wireless surveillance camera where to sell? How much is the miniature camera?: It is clear that object-oriented is the function to divide the problem, not the steps. The same is the plotting of chessboards, which are scattered in the total number of steps in a process-oriented design, and it is likely that different versions will be drawn, since the designer will take a variety of simplifications in the light of the actual situation. And object-oriented design, the drawing may only appear in the board object, thus ensuring the unity of the drawing.

Q:The camera used to monitor the color of the screen is not normal. Blue as red. Red out is blue. New to buy the camera: First of all, you have to make sure your camera is no problem. Secondly, I would like to ask. Your camera is a centralized power supply, or a single power supply, power supply line transformer is not too far away from the camera

Q:Monitor what is good for video recorders: Dahua's software is easy to use, but DVR's BNC plug is easy to loose, resulting in poor contact, sometimes the channel screen will not show or interfere with the screen.

Q:The working principle of the camera with infrared light: Infrared emission diode (IR LED) infrared lamp principle is: by the infrared light-emitting diode matrix composed of light. Infrared emission diode from the infrared radiation efficiency of high materials (commonly used gallium arsenide GaAs) made PN junction, plus forward bias voltage to the PN junction injection current excitation infrared light. Spectral power distribution for the central wavelength of 830 ~ 950nm, half-peak bandwidth of about 40nm or so, it is narrowband distribution, for ordinary CCD black and white camera can feel the range. The emission power of the infrared light emitting diode is expressed by the irradiance μW / m2. The maximum radiation intensity of the infrared diode is generally in front of the optical axis and decreases with the increase of the angle between the radiation direction and the optical axis. The radiation intensity is 50% of the maximum value of the angle is called the half intensity radiation angle, that is, half power angle. The radiation angle of the infrared light emitting diodes of different packaging process models is different.

We are specializing in the manufacture of cctv cameras,color ccd cameras,B/W ccd cameras,color Dome cameras,B/W Dome cameras,Mini ccd cameras,Day/night ccd cameras,high speed cameras, Flying Sauce Cameras,wireless CMOS cameras,DVR ,DVR Board ,all-in-one camera,IP camera and lens and other safety protection video products

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
Validity Period

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