| Display diagonal | 139.7 cm (55") |
| Display technology | LCD |
| Display resolution | 3840 x 2160 pixels |
| Display brightness | 400 cd/m² |
| HD type | 4K Ultra HD |
| Touchscreen | No |
| Native aspect ratio | 16:9 |
| Contrast ratio (typical) | 1300:1 |
| Display diagonal (metric) | 138.8 cm |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 Pro (HDR10 Pro), Hybrid Log-Gamma (HLG) |
| Native refresh rate | 60 Hz |
| HDMI ports quantity | 3 |
| USB port | Yes |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| HDMI version | 2.0 |
| USB ports quantity | 1 |
| USB version | 2.0 |
| Ethernet LAN (RJ-45) ports | 1 |
| Remote (IR) output | 1 |
| Built-in speaker(s) | Yes |
| Number of built-in speakers | 2 |
| RMS rated power | 10 W |
| Product design | Digital signage flat panel |
| Product colour | Blue |
| Placement supported | Indoor |
| VESA mounting | Yes |
| Colour name | Ashed Blue |
| Orientation | Horizontal/Vertical |
| Screen shape | Flat |
| Panel mounting interface | 300 x 300 mm |
| Purpose | Commercial |
| TV tuner integrated | Yes |
| Analog signal format system | PAL, SECAM |
| Digital signal format system | DVB-C, DVB-S2, DVB-T2 |
| Miracast | Yes |
| Browsing | Yes |
| Power consumption (typical) | 84 W |
| Power consumption (standby) | 0.5 W |
| Energy efficiency class (SDR) | G |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 84 kWh |
| Energy consumption (HDR) per 1000 hours | 116 kWh |
| AC input voltage | 220 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Energy efficiency scale | A to G |
| Google applications | Google Chromecast |
| Display width | 1235 mm |
| Display depth | 57.5 mm |
| Display height | 715 mm |
| Display weight | 14 kg |
| Base weight | 200 g |
| Width (with stand) | 1235 mm |
| Depth (with stand) | 232 mm |
| Height (with stand) | 772 mm |
| Weight (with stand) | 14.2 kg |
| Package width | 1360 mm |
| Package depth | 162 mm |
| Package height | 810 mm |
| Package weight | 19 kg |
| Stand included | Yes |
| Remote control included | Yes |
| Cables included | Power |
| Certification | CB, CU TR, CE |
| Description |
| LG 55UR640S3ZD. Product design: Digital signage flat panel. Display diagonal: 139.7 cm (55"), Display technology: LCD, Display resolution: 3840 x 2160 pixels, Display brightness: 400 cd/m², HD type: 4K Ultra HD. Wi-Fi. Product colour: Blue |