LED DayLIte Micro HDI dental light from Designs for Vision. The beam is diamond/square shaped. The battery is very good. I currently use one with a 2022 date and it works fine. The battery included with this is dated Dec 2024 so lotsof life in it. It comes with the mount which is $75 on top of the light of you but it new. Please not the mount works for thin metal designs for vision frames. See pictures for condition.