If you are looking for a laser to work on medium- to large-sized workpieces, that offers a maximum of flexibility, you should take a look at this video With it comes a 10x Leica stereo microscope, but you can also watch the process on the in-built display. Furthermore it also comes with an HDMI connection. That is why it could be connected to a monitor or a Television for bigger presentations. If 150 watts are used, a maximum pulse energy of 200 joule can be reached. That is why, it does not matter, wether you want to weld the finest or the thickest wire, it melts without an effort.