How good are these Cameras?

Below are the CCD Color camera specifications. Below that are our writeups about what each one means.

Outdoor or indoor use
Horizontal resolution: 420 TV Lines
Image sensor: 1/4” Sony color CCD
2 cameras with 3.6mm lens providing 74º field of view (QD28414W)
2 cameras with 6mm lens providing 42º field of view (QD28414)
Up to 30ft night vision (12 IR LEDs)
60 feet of cable with each wired camera for flexible installation (extensions available if needed)
Signal: NTSC
Effective Pixels: 510x492
Power Supply: DC 12V
Operating Temperature: -20°C to +50°C (-4º to 122 ºF) RH 95 % max

Up to 30ft night vision (12 IR LEDs)

I find “Up to” a very suspicious phrase. A quick read of the specifications might make you think you would be able to see things at night 30 feet away. I suspect the question would be if there was enough resolution for …

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60 feet of cable with each wired camera for flexible installation (extensions available if needed)

This is where you can answer the question I posed on the home page. This is a wired system. Sixty feet may sound like a lot, but by the time you go around doors, ...

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Color CCD Camera Features

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How good are these Cameras?

Up to 30ft night vision (12 IR LEDs)

60 feet of cable with each wired camera for flexible installation (extensions available if needed)