delivered quickly! This is a classic that is lacking in many. I've needed to plug my laptop in a room with a video jack has no VGA (defective) A little test on my own and projo ..Hop video! Convinced! Test: sequence 1080p / (SLR) and past live) just to make life easier in the videos - sketches of my trainees Now, do not expect that this little box makes your computer, projector competition, it is simple, offers a very correct definition, so visible in HD video projection, for example. The following applies if you do not have a very recent computer with an ultra precise definition screen. Otherwise, no complaints. Easy to connect, no need manual that the rest is very succinct and English (for those Sheakspeare panics) so reliable and has now check over time.