This Digital Peephole Viewer is designed to fit into your existing optical peephole without any external cameras or wiring. Just remove your old, fish-eyed analogue peephole and install the futuristic digital peephole and in five minutes you’re done. To see who’s out there just press the button, press it again to zoom in. Needs 2 AA batteries and they’re good for about 1,700 views. They’re pretty new and they only seem to be available to buy in Australia at the moment, but give ’em time. They’re priced around US$138.
The PeepHole Viewer is the digital equivalent of the optical peephole with some major benefits / Simple push button to see large image without darkening the peephole / Clear image in LCD Panel on door, easy to see for people of any height / Compensation for low light images / Compensation for “fish eye” distortion