Samsung QA55LS01T 55'' Serif Smart TV (SAMSUNG QA55LS01T) - Resolution: 3,840 x 2,160, Brightness: Brightness Detection, Contrast: Mega Contrast, Motion Rate: 200, Sound Output (RMS): 40W, Speaker Type: 4CH, 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)