Audio
RMS rated power	6 W
Built-in speaker(s)	Yes
Display
Display number of colours	1.07 billion colours
Viewing angle, vertical	178 °
Viewing angle, horizontal	178 °
Contrast ratio (typical)	5000:1
Response time	9.5 ms
Native aspect ratio	16:9
Touchscreen	No
HD type	4K Ultra HD
Display resolution	3840 x 2160 pixels
Display diagonal	139.7 cm
Ports & interfaces
HDMI ports quantity	3
Design
Panel mounting interface	400 x 200 mm
VESA mounting	Yes
Screen shape	Flat
Product colour	Black
Power
Energy efficiency scale	A to G
AC input frequency	50 - 60 Hz
AC input voltage	100 - 240 V
Energy consumption (SDR) per 1000 hours	100 kWh
Energy efficiency class (SDR)	G
Power consumption (standby)	0.5 W
Power consumption (typical)	150 W
Operational conditions
Operating relative humidity (H-H)	10 - 85 %
Operating temperature (T-T)	0 - 40 °C
Weight & dimensions
Height (with stand)	771.4 mm
Depth (with stand)	284.9 mm
Width (with stand)	1236.1 mm
Packaging data
Package weight	157 kg
Package height	813 mm
Package depth	148 mm
Package width	1339 mm
Packaging content
Cables included	AC, HDMI
Remote control included	Yes
Stand included	Yes
Other features
Input current	2.5 A
Backlight type	LED
Audio output
Weight (without stand)	11.7 kg
Height (without stand)	715 mm
Depth (without stand)	68.3 mm
Maximum refresh rate	60 Hz

Dahua Technology DHI-LM55-F400 Signage Display 139.7 cm (55") 4K Ultra HD Black