Sony’s 4K SXRD (VPLVW67SES) Home Cinema Projector has HDR Compatibility, 4K upscaling and Motionflow technology. 4K technology adds 4x the pixel density as previous HD standards giving a spectacular difference in the quality of the picture. HDR compatible or high-dynamic-range improves contrast ratio, brightness and color depth of the picture you are watching. It is the next big thing and is improving quality at the pixel level. Motionflow technology allows for a higher frame-rate and a smooth video performance.