Tri-Color Laser Technology: Experience superior brightness and a wider range of colors than single laser. 4K UHD Resolution: Experience 4x the pixels of 1080p, delivering unbeatable detail and clarity 2,500 ANSI Lumens brightness: See every detail in bright, lifelike color during daylight or even with ambient lights on. 0.25：1 Ultra Short Throw: Enjoy a massive image in small space. HDR 10: Enjoy brighter whites, deeper blacks, and true-to-life colors. Main Features Model:Polaris 4K Laser TV Display:DLP DMD Chip:0.47 Brightness:2500 ANSI lumens Aspect ratio:16：9 Resolution:3840x2160 (4K) Dynamic Contrast:15000:1 Throw Ratio: 0.25：1 Light Source:RGB Laser Lifetime:>30000 hours Color Gamut:NTSC:193%;BT.2020 107% Keystone Correction:±40° vertical HDR 10:Yes MEMC:Yes Eye Protection:Yes Chip:MSD6A838 Storage:RAM3GB+32GB Focusing: High Definition Focus