I bought this one several years ago. It slightly enlarges the picture but the quality is great and I wanted a small light weight one.
Swann SWADS-120CAM-US Swann ADS-120 Home Indoor Security Camera (Black)
[COLOR=#555555 !important]Sold by: Amazon.com Services, Inc.[/COLOR]
I did have to find a power supply of which I have lots so it was fairly easy to find a suitable one.
I see you can get one at Amazon as well.