Audio Number of built-in speakers 2 RMS rated power 16 W Built-in speaker(s) Yes Design Placement supported Horizontal/Vertical Product colour White Screen shape Flat Panel mounting interface 600 x 400 mm Bezel width (bottom) 3.32 cm Bezel width (side) 2.97 cm Bezel width (top) 3.32 cm Bezel colour White VESA mounting Yes Anti-glare screen Yes Display Panel type IPS Display diagonal 139.7 cm (55") Display technology LED Display resolution 3840 x 2160 pixels Display brightness 500 cd/m² HD type 4K Ultra HD Touchscreen technology Projected capacitive system Number of simultaneous touchpoints 15 Native aspect ratio 16:9 Response time 8 ms Contrast ratio (typical) 1100:1 Viewing angle, horizontal 178° Viewing angle, vertical 178° Display number of colours 16.7 million colours Pixel pitch 0.315 x 0.315 mm Active display area (W x H) 1212 x 683 mm Display diagonal (metric) 139 cm Horizontal scan range 30 - 83 kHz Colour depth 8 bit Native refresh rate 60 Hz Surface hardness 7H Glass thickness 4 mm Touchscreen Yes Features Wall mountable Yes Logistics data Products per pallet 10 pc(s) Harmonized System (HS) code 85285210 Network Ethernet LAN Yes Operational conditions Operating temperature (T-T) 0 - 40 °C Storage temperature (T-T) -20 - 60 °C Other features Maximum refresh rate 60 Hz Audio input Y Audio output 1 Digital horizontal frequency 30 - 83 kHz Viewable size, horizontal 121.2 cm Viewable size, vertical 68.3 cm Height (without stand) 749.4 mm Weight (without stand) 41 kg Depth (without stand) 68 mm Compatible operating systems All iiyama monitors are Plug & Play and compatible with Windows and Linux. For details regarding the supported OS for the touch models, please refer to the driver instruction file available in the downloads section. Power supply type Internal Housing material Metal Quick start guide Yes Built-in microphone No Built-in camera No Packaging content Cables included AC, USB, HDMI, DisplayPort Packaging data Package width 1400 mm Package depth 245 mm Package height 930 mm Package weight 46.5 kg Performance On Screen Display (OSD) languages German, English, Spanish, French, Italian, Dutch, Polish, Russian Operating hours (hours/days) 24/7 International Protection (IP) code IP54 Mean time between failures (MTBF) 50000 h On Screen Display (OSD) Yes HDCP Yes Ports & interfaces HDMI ports quantity 2 HDMI version 1.4/2.0 DisplayPorts quantity 1 DisplayPort version 1.2 Ethernet LAN (RJ-45) ports 1 RS-232C Yes Power Power consumption (typical) 155 W Power consumption (standby) 1.5 W Power consumption (off) 0.3 W Energy efficiency class (SDR) G Energy efficiency class (HDR) Not available Energy consumption (SDR) per 1000 hours 151 kWh AC input voltage 100 - 240 V AC input frequency 50/60 Hz Technical details User controls picture (backlight, contrast, brightness, sharpness, H/V-position, phase, Chroma, adjust screen, colour temp., picture mode), sound (treble, bass, balance, volume, mute, speaker, audio source), screen (aspect, Touch feature, reset), settings (OSD time, OSD H/V position, language, schedule, power save, control setting, network setting, advanced, information, all reset) Sustainability certificates ErP Pallet net height 124.5 cm Pallet net length 198.6 cm Pallet net width 142 cm Compliance certificates CE, cULus, EAC, REACH, RoHS, UKCA, WEEE Audio in (mini jack) Yes Weight & dimensions Display width 1271.5 mm Display depth 68 mm Display height 749.4 mm Display weight 41 kg Width 1271.5 mm Depth 68 mm Height 749.4 mm Weight 41 kg Width (with stand) 1271.5 mm Depth (with stand) 68 mm Height (with stand) 749.4 mm Weight (with stand) 41 kg