Features r 4k high definition screenr equipped with patented low persistence customized 4k display screen which supports resolution up to 3840 2160 ppi 806 and refresh rate fpsup to 90hz in asynchronous mode 60hz in synchronous mode much higher fps than average performance offering ultra high definition fluent framer high grade aspheric lens r adopts anti blue rays double 53mm diameteraspheric high transparency lenses which is more pure and offers distortionless image pimax