VAVA 4K Short-Throw Laser Projector gives you a stunning 4K image up to 150″ display. It projects in full 4K resolution with HDR 10 that means you get ultra-clear and vivid images with incredible pixel depth. VAVA 4K Projector uses advanced ALPD 3.0 technology. This is the same technology used in over 17,000 top movie theaters worldwide. Every VAVA 4k projector is equipped with a built-in sounder engineered by Harman Kardon.