Vandalprooof IR Dome Camera SONYSUPER HAD CCD Ⅱ 420TVL SONY3142DSP+643CCD

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$20.70 / pc
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Shenzhen
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TT
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5 Pcs pc
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20000 Pcs Per Month pc/month

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Product Description:

Vandalprooof IR Dome Camera S-70
1/4"SONY SUPER HAD CCD Ⅱ 420TVL Sony 3142DSP+643CCD IR

Distance:30M
1pcs 850nm Ⅲ Smart Leds  
Size:140mm*110mm
Lens:4、6、8、12、16MM
Dual Glass

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Q:Monitor how the camera will suddenly no color
1, lack of light, color to black camera automatically switch to black and white mode;
Q:Test on camera delay problems
Today, the monitoring of products into the Internet era, vision of the world brand camera has achieved high-definition monitoring effect, in addition to the front of the network surveillance cameras, the video transmission and back-end storage, display process must also be carefully designed, how to achieve high quality , No delay effect is the current monitoring application focused on solving the problem
Q:I would like to ask how the video surveillance camera is powered?
You are right, video surveillance cameras used to make a signal with a coaxial line, and then another line when the power supply, but the two lines can also be a line to achieve. That is to use control Because the control line is a double core, with a shield, we can put the video ground, and the power of the negative line, together, sharing a line, that is, the control line of the shield, and then Inside the two core, one when the video signal is positive, one when the power is positive. This can, but if the distance is very long, it is recommended not to do so, because of this, the signal shielding will be a little interference.
Q:57 Road 1080P surveillance video requirements to store a month, how much hard disk space?
A camera according to the compression of an hour is roughly 2.2G, 2.2 by 24 hours 53G * 57 cameras more than 3000 G, 30 days 91000G or so, that is to say about 91T hard drive, HD quite occupied hard disk, 720P basic small half,
Q:How to use the network cable to connect the surveillance camera?
Network cable to do monitoring line in two ways, but depends on the camera's video transmission.
Q:What is the difference and connection between the optical zoom and the digital zoom of the camera in the security monitoring?
Optical zoom is that we often say that the mechanical zoom (manual and automatic), manual is the lens we usually zoom, auto zoom is common is that we use the ball machine and PTZ to pull closer to control zoom.
Q:What's 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 camera and a monitor?
Say a simple point, the family (professional) with a camera is a complete "camera, video, playback, display" device, while the surveillance camera is just "camera" device, and no video, playback, display function.
Q:Is there a surveillance camera that can be plugged in
Hello there. This ... ... just a few words it There is a charge, there are external power supply. You are good landlord ~ ~ very happy to answer this question
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)
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