Most "4K" projectors under $2,000 use a trick called pixel-shifting to mimic 4K resolution. It’s nearly indistinguishable from native 4K and is a great "sweet spot" for 120–150 inch screens.
While "Full HD" (1080p) is the baseline, many modern "HD" projectors are actually 4K UHD. buy hd projector
You’ll need 3,500+ ANSI lumens for anything outdoors or in very bright, window-heavy rooms. 3. Light Sources: Lamps vs. LED vs. Laser Most "4K" projectors under $2,000 use a trick