One should know that only a very low resolution of 320x240 pixels you get with this unit maintenance. For text or presentations that's nothing! Who needs the projector for, forget it !. To project cartoons in the nursery and to have a favorable TV spare it is enough. Or why do I ever had in the application. Like to update prices for a snack as an advertisement on the wall to throw. Is also sufficient for a blink Fang as an advertising projection. But it is definitely no substitute for a 300-400 euro unit. Anyone looking for a good LED Beamer also create at least 720p (yes there are) should grip as more likely to Acer, Epson or Dell.