1, 22~55 inch LED 3D 2, Full TV system 3, Super slim design 4, 3D glasses GeneralScreen Diagonal55"Aspect Ratio16:9Resolution1920*1080Luminance1500cdContrast Ratio20000:1Maximun Colors16.7MSolutionMTKResponse Time4msVision Angles178°/178°OSD LanguageEnglish, Russian, German, French, Spanish, Arabic, etc.Sleep On/Off TimerYes Picture QualityDisplay Format720p,1080i ,1080pVertical scan rate(KHz) ...