I use the Pico Pix in the classroom as a teacher. In classrooms that are more shady of its natural lighting, the projector is quite sufficient. Only in classrooms that are difficult to obscure rather sunny and bright, the devices becomes overwhelmed. But it does not have any school so hard to obscure indeed. It is a pity that it is to be desired when driving my MacBook Air and its DisplayPort resolution left. But it may be that I do not yet have the optimal plug since. Am looking forward to the response from Philips Support.