ToolBox -

Yes, the doorbell/camera portion of this system (which you would want mount in place of a doorbell) is designed for outdoor use.
See the iVision Intercom Systems for sale at the below links:

USA Store:

http://www.absoluteautomation.com/search.php?search_query=ivision

Canada Store:

http://www.absoluteautomation.ca/SearchResults.asp?Search=ivision