Well, I finally bit the bullet and purchased a Tactical light for my DAO PT145...and I am totally satisfied. This X2 is so dinky...and with one battery puts out beau coup light...blinding actually! Best part...it just slides on and off in a second for transitioning from bedside HD to daily holster carry. I have always had a light next to my weapon but, question my ability to find everything...glasses included, in the heat of reaction. Now...I just grab the pistol and go...