Here comes the 3M projector review highlighting the key elements of the 3M portable projector and the very capable and stationary 3M ceiling mount projector. There are two additional items you will need to operate your boxed 3M projector. You will need a power supply, which you can plug your 3M projector power cable into - and you will need a 3M projector screen. Once you have assembled the necessary items and removed your 3M projector from its protective containers, simply plug in your 3M projector and align the output onto your 3M projector screen, before attempting to display any images. All 3M Projectors