Security, surveillance camera: How to choose?

How to install Wired Camera?

How wireless camera works?
What is Camera Resolution meant?
LUX-- How it affects picture quality?
What does it mean by LOS (line of sight)?
What are CCD and CMOS image sensors? What are the impacts on choosing the camera?
How to choose a camera for security or surveillance purpose?
Should I buy a color camera or a B/W camera?
Should I install a Night Vision Projector?
Should I buy a Wired Camera or a Wireless Camera?
What is Video Standard?
What is PAL, NTSC and SECAM?
How to choose a suitable lens for the security camera?

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