There are plenty of capable wired home security cameras on the market. If you would like to go wire-free, you may want to give the VAVA Home Cam a look. It is a 1080p HD camera with a battery that lasts up to a year. It has a IP66 weather resistant housing and supports 3 mounting options (outdoor, magnetic, desktop).
The camera can record to a microSD card or your own NAS. It allows you to use its companion app for live viewing. The Home Cam has a 140-degree wide angle view. It is currently getting funded on Kickstarter.