Front of the package, bottom left I believe. Keep in mind I got mine directly from Jasco/GE for a review and testing, so most likely it's a new rev. This pic below doesn't show it, but mine said "Schlage LiNK" compatible, etc on it. Sorry but I tossed the plastic bubble packaging.
(http://www.jascoproducts.com/products/pc/catalog/45604/45604webd2.jpg)