I am a scout leader and use the projector to show movies or instructional videos to the children. I also connect it to my lap top when giving presentations. The picture quality is excellent which is important when showing the fine detail of maps and other material. More importantly Scouts runs from 7.00pm to 9.00pm at night and in Summer it is not very dark at 7.00pm. The projector work excellently even when there is light in the room and does not depend on total darkness to work. It was a great unit especially considering how cheap it was to buy. It cost less to buy the new projector that I was quoted to replace the projector lamp in the old projector.