Display size: 42 inch Aspect Ratio: 16:9 Response Time: 6ms Max. Resolution: 1920?080p Contrast Ratio: 1000:1 Brightness (cd/m2): 800cd/m2 Display Color (Max): 16.7M Viewing Angle: 165?165?H/V) Audio Speaker: 10WX2 OSD language: Optional Horizontally Scan Frequency: 24 ~ 80KHz Vertically Scan Frequency: 55~75Hz Voltage/Frequency: AC Input 1000~240V,50-60Hz Power Consumption: <200W Display Mode: VGA, AV, TV Security Authentication:CCC, FCC, CE Gross weight:32kg Net weight:27.6kg Natural Life:>50,000 hours