3,500 ANSI lumens ultra-bright output delivers clear, vibrant visuals for an immersive viewing experience True 4K Triple Laser projection ensures crisp detail 56,000:1 dynamic contrast ratio provides deep blacks and lifelike details FlexWave technology lets you optimize audio from any seat Wireless 7.1.4 Dolby Atmos sound system delivers rich surround sound Functions as an all-in-one mobile theatre with built-in wheels and telescopic handle for effortless portability and easy setup