http://www.ebay.com/itm/Gan-Canyon-13-Heavy-Duty-Cree-Q3-LED-Flashlight-w-3-Adjustable-Light-Modes-/230791253727#ht_1931wt_1270 3D cells, and side switch just like a mag light.
Looks interesting but for that price a maglite may be better. However if you look closely it actually has a control dial so I'm wondering whether the control ring for that may be reprogram-able.
GaN Canyon, I like it, lol