This projector is brand new has not been used only tested it works perfectly there's no dust inside the machine or anywhere in tear . You could hook it up to several different devices TV box laptop with HD out iPad iPhone or Android Mac has it has HDMI a place you can save photos keep your music movies the picture size gets the 4.68 ft to 6.56 ft to 9.84 ft to 26.25 ft into 34.45 ft it gets really good reviews. On the reviews I have read that it's a better projector than some projectors that are hundreds of dollars.