3840*2160 UHD - For Ultra High Definition & Sharp Clear picture quality Aspect ratio : 16:9 Dynamic contrast ratio - 3,000,00:1 Brightness : 300 cd/m Display colors - 16.7 M 20 MS Response Time 178 degrees horizontal & 178 degrees vertical Viewing angle 10w X 2 total 20 W Speaker Output OSD Language : English Approx. gross weight : 9.20kg Approx. Net weight : 7.65kg 60 Hz : Standard refresh rate for blur-free picture quality Gross Dimension (cm) L*H*W : 99*90*14.5 Net Dimension (cm) L*H*W : 95.03*53.6*8.7 Power requirement : 100 ~ 260Vac,50/60Hz Power Consumption : 85W Video Color System : PAL/SECAM SOURCE (INPUT-OUTPUT) 2 x HDMI : For Connect Blu-ray player or cable box and a flat-screen HDTV or projector. 2 x USB : Get video audio text and content from USB drives. 1 x ATV : connect Cable TV for the reception of over-the-air broadcast television signals. 2 x AV-IN : AV input is a common label on a connector to receive (AV) audio/visual signals from electronic equipment Like DVD and set top boxes. 1 x PC-IN (VGA) : For Connect many video cards, computer monitors, laptop computers, projectors, and high definition television sets. 1 x PC Audio : The 3.5 mm audio input is for connecting an audio source or your PC to your HDTV 1 X Earphone : External Speaker Jack A small round connector for accepting the pin-shaped plug from a standard pair of music headphones & AUX Cables supported devices. 1 X RJ45 : Connector commonly used for Ethernet Netowk. 1 X COAX : This cable you use to connect your television to your cable boxit transmits digital data instead of analog signals.