Model QB55C | 55 " | LCD | VA | 3840 x 2160 pixels | Brightness 350 cd/m² | HD type 4K Ultra HD | Response time 8 ms | Contrast 4000:1 | Pixel pitch 0.315 x 0.315 mm | 3xHDMI ports quantity | USB port Yes | 1xEthernet LAN (RJ-45) ports | Product design Digital signage flat panel | Colour Black | VESA mounting Yes | Purpose Universal | Operating hours (hours/days) 16/7 | Computer system Yes | Operating temperature (T-T) 0 - 40 °C | Wi-Fi Yes | Energy efficiency class G