CCTV Camera CM-K21-S117 1/3"SONY SUPER HAD CCD Ⅱ 540TVL 2090DSP+2365CCD

Ref Price:: $28.75 / 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-S117 1/3"SONY SUPER HAD CCD Ⅱ 540TVL 2090DSP+2365CCD IR Distance：35M
36pcs Ø5mm Leds
Size:210mm*68mm
Lens：3.6/6MM
Dual Glass

Q: What is the difference between monitoring the camera and the usual?: Monitoring the installation of the camera, 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 can not be used for long distance, that is, we use USB camera to do the first problem encountered monitoring. While the 75-5 / 128 video cable can transmit signals over long distances! (Up to 400 meters).

Q: Monitor the camera, how much money one, the kind of video: 20x4 = 80, camera power (outdoor): 25x4 = 100, auxiliary material (connector what little things): 50 wire you have to see your actual situation, and more use Flowers, less with less flowers

Q: What is the difference between monitoring the camera and the usual?: Security issues: ordinary USB camera to PC-based Windows operating system, must be inserted on the computer to use. In the security, quality and other aspects of performance significantly, etc., less than monitoring the camera.

Q: What is the difference between a dome camera, a gun camera and a dome camera in security monitoring?: Mainly the use of the difference, the dome camera is generally used for indoor ceiling place, because it is relatively small, so more beautiful. Gun camera is generally installed in the channel, plant or parking area and other areas. The advantage is that you can install long focal length lens to expand the scope of monitoring, the disadvantage is more obvious.

Q: Install the monitor camera need to put a few lines: In the case of a dome camera that can be rotated, three lines, one control line (from the recorder to the camera), one video cable (from the recorder to the camera), one power cord (from the recorder to the camera, or the nearest socket Can also be).

Q: Will the video surveillance camera screen will jump out of this camera settings like the option?: It should be accidentally transferred out of the camera settings menu, if it is, then select the corresponding camera, and then exit the menu

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: 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: What is the difference between monitoring cameras CCD1 / 3 and 1/4?: Only 1/3 inch, 2/3 of the lens through the aperture of 2/3 inch, so under the same lighting conditions, 2/3 lens allows more light through, thus indirectly enhance the camera's illumination, ? 16MM of the small perspective, according to far, 8MM lens perspective, according to the relative, relatively speaking, the principle of record: the greater the number, according to the more distant, the smaller the angle; the smaller the number, The more widely

Q: What is the meaning of the camera uid?: Each uid corresponding to a user name on the general use of user name landing

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