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:Infrared surveillance camera at night (no light) no picture and flash is how the matter: Is the daytime image normal? If the normal day, it is likely that the infrared light-related components are broken, there may be problems with the photoresistor.

Q:Monitor the camera automatically zoom, electric zoom, manual zoom, zoom lens meaning and difference?: Manual zoom: Change the focus on the front-end camera by manually rotating the lens. This function usually appears in the bolt + manual zoom lens configuration, set once, do not change later, if you want to change the focal length, need to open the shield again, rotate the lens. This type of lens usually needs to adjust the focus ring after the zoom work is completed.

Q:Install the monitor camera need to put a few lines: A camera needs two lines, a video cable, one with the power cord, in addition to the alarm line, if you encounter an emergency situation, you can alarm, if you need to do monitoring the camera to install, you can find a news sensitive monitoring installation the company.

Q:Monitor the camera what is the zoom: The lens is equivalent to the human eye lens, if there is no lens, the human eye can not see any objects; if there is no lens, then the camera output image is a vast expanse of white, no clear image output, which with our home camera and camera principle Is consistent. When the human eye can not stretch the lens to the normal position, that is, people often say myopia, the front of the scene becomes blurred; camera and lens with a similar phenomenon, when the image becomes unclear , You can adjust the camera's back focus, change the CCD chip and the lens reference plane distance (equivalent to adjust the position of the human eye lens), you can blur the image becomes clear. Thus, the role of the lens in the closed-circuit monitoring system is very important. Engineering designers and construction workers should often deal with the lens: the designer according to object distance, imaging size calculation lens focal length, the construction staff often on-site commissioning, part of the lens is to adjust to the best condition.

Q:Monitor the image of the camera appeared black and white colorless situation, is this how is it?: First of all, you first look at the monitor is not set to black and white and then in the hard disk video recorder you look at the system is not wrong

Q:Is there a surveillance camera that can be plugged in: Oh, the first kind of camera is generally by the lens, image sensor, analog / digital converter, image control And other parts of the composition, if the audio function, then, coupled with the sound collection, processing and transmission components.

Q:20 meters away with the number of mm monitor camera lens appropriate?: At the same time, the same focal length, length and width shooting range also with the camera CCD has a relationship. Charge - coupled Device, Charge - coupled Device. It is a semiconductor device that converts optical images into electrical signals. At present, most of the CCD chip used in the surveillance camera is 1/3 "and 1/4", that is, the target size is 1/3 inch and 1/4 inch. CCD target surface size, CCD and lens with the situation will directly affect the size of the field of view and image clarity.

Q:Home surveillance camera with which brand is good?: A few meters of wireless home monitor is good. Through the mobile phone to achieve remote monitoring, the camera at home, mobile phone download APP, will be able to work, travel anywhere to monitor the situation at home.

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:Monitor the camera mentioned in the three stream, what is the meaning of ah, which three?: Three streams can achieve local transmission and remote transmission of three different bandwidth required stream, the local transmission using high-bit stream can get higher HD video storage, remote transmission using a lower stream to adapt to CDMA / ADSL and other Network and get a higher image fluency.

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