Vandalprooof IR Dome Camera SONYSUPER HAD CCD Ⅱ 420TVL SONY 3142DSP+643CCD

Ref Price:: $20.70 / 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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Vandalprooof IR Dome Camera S-56
1/4"SONY SUPER HAD CCD Ⅱ 420TVL Sony 3142DSP+643CCD IR Distance：20M
Leds:24pcs Ø5mm leds
Size:94mm*80mm
Lens：3.6mm
Dual Glass

Q: Camera monitor the recorded file 1 hour how much G ah?: 3600 seconds (per hour) * 24 hours (per day) * Rate (128kbps-8Mbps) / 8 (conversion of bytes and bits) / 1024 (converted to M) / 1024 (converted to G) ≈21G (bit rate is To 2Mbps for the column)

Q: I would like to install at home and back door two cameras in general how much money?: There are dozens of front-end camera to tens of thousands of you so close to the video line can be SYV75-3, back-end with a collection card is also a few dozen to thousands of hard disk video recorder is from more than 300 to 10,000 or so.

Q: I said is the monitoring of the camera, not what home with the camera, you can monitor the leader can also record the software, or hardware did not?: There is a camera with a recording, or you can add their own under a microphone can be modified, and their modified a little trouble

Q: What is the effective range of infrared surveillance cameras?: Infrared probe about 3 meters to 12 meters between ~ ~ some special except to see the main object of the strong degree of reflex is not strong.

Q: What is the power of the camera used for monitoring?: 31 cameras, if all fixed, then the power supply of each camera should be DC12V / 1A, each 12W, 31 * 12 = 372W, RVV2 * 0.75 power line is enough.

Q: Hikvision monitor as a recording function?: I am sure to tell you some, whether it is a collection card, or hard disk recorders are a channel video, audio port.

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: Can the general camera be monitored?: Schools, hotels, public places Camera: with a single hard disk can be a single branch, you can also run the network, you can also real-time monitoring. Features: high rate requirements, large data capacity, long storage time.

Q: What is the difference between a wireless surveillance camera and a cable surveillance camera?: Wired relative to the wireless signal a little better, the wireless a little easier, the quality of a clear choice of cable is better.

Q: Monitor there is a camera monitor can not see, but the playback can see, how is it?: 1, the composition of the monitoring system principle, front-end camera ---- monitoring host ---- monitor. The camera will collect the signal to the monitoring host, monitor the host output video signal to the monitor

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