Vintage Apple Macintosh PowerBook 150 laptop, Model M2740, released in 1994. This classic piece of computing history features the iconic built-in trackball, full keyboard, and monochrome display. This unit comes with its original retail box, internal styrofoam packaging, Macintosh Reference manual, power adapter, and original software on a floppy disk. A rare find for collectors of retro Apple hardware and vintage technology enthusiasts. Inside of processor size. Rated 7.5V 2.0A Max. It powers up, but that is all I know about it. You are purchasing this item "as is".