| Backlight type | Direct LED |
|---|---|
| Colour depth | 8 bit |
| Colour gamut | 72 % |
| Colour gamut standard | NTSC |
| Contrast ratio (typical) | 1200:1 |
| Display brightness (typical) | 400 cd/m² |
| Display diagonal | 55 " |
| Display resolution | 3840 x 2160 pixels |
| Display technology | LED |
| Frame Rate Control (FRC) colour depth | 8 bit |
| Haze rate | 25 % |
| HD type | 4K Ultra HD |
| LED backlight | Yes |
| Maximum refresh rate | 60 Hz |
| Native aspect ratio | 16:9 |
| Panel type | IPS |
| Pixel pitch | 0.285 x 0.285 mm |
| Response time | 8 ms |
| Screen shape | Flat |
| Surface hardness | 3H |
| Touchscreen | No |
| Viewing angle, horizontal | 178 ° |
| Viewing angle, vertical | 178 ° |
| AMD FreeSync | No |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| NVIDIA G-SYNC | No |
| Operating hours (hours/days) | 24/7 |
| Built-in camera | No |
| Built-in speaker(s) | Yes |
| Number of speakers | 2 |
| Power (RMS) | 20 W |
| Colour | Black |
| Audio input | Yes |
| Audio output | Yes |
| Built-in USB hub | Yes |
| HDMI | Yes |
| HDMI ports quantity | 2 |
| HDMI Version | 2.0 |
| Headphone out | No |
| RS-232 ports | 1 |
| VGA (D-Sub) ports quantity | 1 |
| Cable lock slot | No |
| Height adjustment | No |
| LED indicators | Status |
| Panel mounting interface | 200 x 300 mm |
| VESA mounting | Yes |
| AC input frequency | 50/60 Hz |
| AC input voltage | 100 – 240 V |
| Energy consumption (SDR) per 1000 hours | 77 kWh |
| Energy efficiency class (HDR) | Not available |
| Energy efficiency class (SDR) | F |
| Energy efficiency scale | A to G |
| Power consumption (max) | 94 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (typical) | 89 W |
| Power supply type | Internal |
| Operating relative humidity (H-H) | 10 – 85 % |
| Operating temperature (T-T) | 0 – 40 °C |
| Storage relative humidity (H-H) | 5 – 90 % |
| Storage temperature (T-T) | -20 – 60 °C |
| Depth (without stand) | 81.6 mm |
| Height (without stand) | 705.3 mm |
| Weight (without stand) | 9850 g |
| Width (without stand) | 1225.6 mm |
| Cables included | AC/HDMI |
| Manual | Yes |
| Remote control included | Yes |
| Compliance certificates | CE/Electromagnetic Compatibility (EMC)/Low Voltage Directive (LVD) |
| USB 2.0 ports quantity | 2 |
| Data Sheet (Link) | https://eprel.ec.europa.eu/api/product/2419532/fiches?language=EN |
| Energy efficiency class | F |
| EPREL Registration Number | 2419532 |
| EPREL Version Number | 2 |
| Model | DHI-LM55-F400N |
| Model name | F400N |
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