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Updated by Karry Fields on Sep 21, 2016
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Karry Fields Karry Fields
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Wireless Peephole Camera for Front Door Security

Looking for a wireless peephole camera for front door safety and security?
These digital peephole security cameras are great for a home, apartment or townhome.

Fisheye lens - Wikipedia, the free encyclopedia

The term fisheye was coined in 1906 by American physicist and inventor Robert W. Wood based on how a fish would see an ultrawide hemispherical view from beneath the water (a phenomenon known as Snell's window). Their first practical use was in the 1920s for use in meteorology to study cloud formation giving them the name "whole-sky lenses".

Best Digital Peep Hole Viewer Reviews - Camera Door

Top rated digital peep hole viewers are reviewed as well as camera door viewers, knocking viewers and other security elements for your home or apartment. Great for dorms and eldery too!

Best 3.5 Inch Digital Peephole Viewer Review 2016 - Camera Door Viewer

Whether you live in an apartment or a house, the new digital peephole door viewer camera is a great safety feature for your home.