I buy this to have a portable projector for meeting . despite the ` game ' in the name , this work perfectly for powerpoint presentation . it be simple , which mean durable . Picture be clear and relatively bright . in particular the led be unlikely to overheat and burn out ... a consistent problem for other projector when you do not have the time for proper cooldown . the 50 luman output seem awfully low in comparison to the 3000 luman value I be see on projector -- but I can not see that much difference -lrb- this be perhaps 30 % to 50 % as bright as a lamp projector , which mean you will have to do with a smaller picture , but it be the area that count , so reduction to 50 % area be reduction to 71 % diagonal -rrb- . some review mention problem with syncing to the VGA port , but I have no problem with my Acer Timeline ... it work right from the start . I be not able to get the VGA to work with my desktop , because I could not get the resolution on the card to go low enough for this projector . I suspect that be the problem in the other review where the VGA do not work .