I purchased some Uniden Guardian cameras. They're just ok. Wireless transmission to the base station but still require AC power. They've got IR night vision but again just barely ok. I supplemented them with indoor cameras from Yi and they're cheaper and actually better. Set them up layered with the larger, obvious cameras drawing the attention and the smaller window cameras getting a better image.

To do it again I'd go for the full HD cameras as expensive as I could afford.