I've owned projectors for many years and have been waiting for a bright 4K version to become affordable. This is it and I am very happy! My only things to point out. It seems a little touchy on the HDMI input voltage / current. I bought a new 15 meter active HDMI cable that the projector would not work with ( Source was PS5 direct). My TV would work with the cable , but not the projector. ( regardless of resolution set) Bought another brand of active cable ( Fibre) and the projector worked with that one. Limited zoom and no vertical adjustment means you need to really be careful you can mount the projector in the place it needs to b...view more