Samsung 50" Serif 4K UHD Smart TV (SAMSUNG QA50LS01) - Resolution: 3,840 x 2,160, Brightness: Brightness Detection, Contrast: Mega Contrast, Sound Output (RMS): 40 W, Speaker Type: 4 CH, Connectivity: 4 x HDMI, 2 x USB, 1 x Composite In (AV), RF In (Terrestrial / Cable input): 1 / 1 (Common Use for Terrestrial)/0, HDMI A / Return Ch. Support, eARC, HDMI Quick Switch, Wireless LAN Built-in, Bluetooth, Anynet+ (HDMI-CEC)