I'm not sure about this.
"In his keynote address Friday at the Tokyo Game Show, Nintendo president Satoru Iwata took the wraps off a complete redesigned wireless controller for the company's forthcoming Revolution game console. The controller works like a remote control in one hand, with an optional analog unit for two-handed gameplay."
Betanews link
http://www.betanews.com/article/Images_Nintendo_Revolution_Controller/1126852531