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iiyama LH5581UHSG-1AG Signage Display Digital signage flat panel 138.7 cm (54.6") Wi-Fi 500 cd/m² 4K Ultra HD White Built-in processor Android 24/7

iiyama LH5581UHSG-1AG Signage Display Digital signage flat panel 138.7 cm (54.6") Wi-Fi 500 cd/m² 4K Ultra HD White Built-in processor Android 24/7

55" 4K UHD Digital Signage Display — Sleek, Flexible, and Ready for Any Creative Space

  • Indoor Digital signage flat panel White
  • 138.7 cm (54.6") 3840 x 2160 pixels 500 cd/m²
  • 60 Hz 6.5 ms
  • Ethernet LAN Wi-Fi
  • Built-in speaker(s) 20 W
  • SKU:4948570125616
  • GTIN/EAN:4948570125616
  • MPN:LH5581UHSG-1AG

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iiyama LH5581UHSG-1AG. Product design: Digital signage flat panel. Display diagonal: 138.7 cm (54.6"), Display resolution: 3840 x 2160 pixels, Display brightness: 500 cd/m², HD type: 4K Ultra HD. Wi-Fi. Operating hours (hours/days): 24/7. Operating system installed: Android. Product colour: White

The ProLite LH5581UHSG-1AG is not just a digital signage display — it’s a statement piece for modern environments where design matters. This 55” 4K UHD screen combines cutting-edge performance with outstanding flexibility, making it the perfect fit for fashionable, artistic, and premium commercial spaces. What sets the LH5581UHSG-1AG apart is its innovative removable frame: magnetically attached and easy to customize with wraps or designs of your choice. Whether you want it to blend seamlessly into a stylish boutique, complement an art gallery, or add flair to a high-end lobby, this display adapts to your vision. Powered by Android 14 OS and equipped with iiSignage2 (CMS), iiControl (DMS), and iiShare (Wireless Presentation), managing content is as smooth as its minimalist design suggests. With built-in WiFi, robust 24/7 operation, and exceptional connectivity options, the LH5581UHSG-1AG offers both form and function. Its anti-glare coating, slim profile, and versatile installation options with included wall mounting bracket, ensure that your message stands out — and your space stays elegant.

Display
Display diagonal
138.7 cm (54.6")
Display resolution
3840 x 2160 pixels
Display brightness
500 cd/m²
HD type
4K Ultra HD
Touchscreen
No
Native aspect ratio
16:9
Response time
6.5 ms
Contrast ratio (typical)
5000:1
Viewing angle, horizontal
178°
Viewing angle, vertical
178°
Display number of colours
1.07 billion colours
Pixel pitch
0.315 x 0.315 mm
Active display area (W x H)
1209.6 x 680.4 mm
Display diagonal (metric)
138.7 cm
Horizontal scan range
28 - 160 kHz
Native refresh rate
60 Hz
Panel type
VA
Ports & interfaces
HDMI ports quantity
2
HDMI version
2.0
DVI port
No
USB port
Yes
USB ports quantity
2
USB version
2.0
USB Power Delivery
Yes
USB Power Delivery up to
15 W
USB Type-C DisplayPort Alternate Mode
Yes
Ethernet LAN
Yes
Ethernet LAN (RJ-45) ports
1
Wi-Fi
Yes
RS-232C
Yes
Remote (IR) input
1
Remote (IR) output
1
Audio
Built-in speaker(s)
Yes
Number of built-in speakers
2
RMS rated power
20 W
Design
Product design
Digital signage flat panel
Product colour
White
Placement supported
Indoor
Orientation
Horizontal/Vertical
Screen shape
Flat
VESA mounting
Yes
Panel mounting interface
300 x 400 mm
Bezel colour
White
Anti-glare screen
Yes
Bezel width (top)
1.43 cm
Bezel width (side)
1.45 cm
Bezel width (bottom)
1.43 cm
Performance
Purpose
Universal
On Screen Display (OSD) languages
Traditional Chinese, Czech, Danish, German, English, Spanish, Finnish, French, Italian, Japanese, Norwegian, Dutch, Polish, Russian, Swedish
Number of OSD languages
15
On Screen Display (OSD)
Yes
Operating hours (hours/days)
24/7
HDCP version
1.4/2.0
HDCP
Yes
Mean time between failures (MTBF)
50000 h
Power
Power consumption (typical)
104 W
Power consumption (standby)
0.5 W
Power consumption (off)
0.3 W
Energy efficiency class (SDR)
G
Energy efficiency class (HDR)
Not available
Energy consumption (SDR) per 1000 hours
104 kWh
AC input voltage
100 - 240 V
AC input frequency
50/60 Hz
Energy efficiency scale
A to G
Computer system
Built-in processor
Yes
Processor manufacturer
ARM
Processor architecture
ARM Cortex-A73
Processor cores
4
Internal memory
4 GB
On-board graphics card model
ARM Mali-G52
Internal storage capacity
32 GB
Operating system installed
Android
Operating system version
14
Weight & dimensions
Display width
1248.4 mm
Display depth
46 mm
Display height
719.2 mm
Display weight
18.4 kg
Width
1248.4 mm
Depth
46 mm
Height
719.2 mm
Weight
18.4 kg
Packaging data
Package width
1400 mm
Package depth
164 mm
Package height
875 mm
Package weight
23.2 kg
Packaging content
Remote control included
Yes
Mounting kit
Yes
Cables included
AC, HDMI, RS-232
Operational conditions
Operating temperature (T-T)
0 - 40 °C
Storage temperature (T-T)
-20 - 60 °C
Certificates
Certification
CE, TÜV-Bauart, EAC, RoHS, ErP, WEEE, REACH (UKCA, RoHS2.0, PFOS)
Technical details
Compliance certificates
CE, EAC, REACH, RoHS, TÜV mark, UKCA, WEEE
Sustainability certificates
ErP
User controls
network (status, Wifi, ethernet, hotspot), picture (brightness, contrast, sharpness, black level, tint, colour, noise reduction, gamma selection, colour temp., colour control, picture reset), audio (balance, treble, bass, volume, audio out, max. volume, min. volume, mute, audio out sync, speaker setting, audio reset), OSD setting (OSD timeout, OSD H-Position, OSD V-position, OSD transparency, information OSD), general (logo and animation, wallpaper, no signal image, schedule, off timer), screen (zoom mode, custom zoom, system rotation, screen reset), device (power on status, RS232 routing, IR control, motorized stand, power saving, panel saving, monitor info, other), channel (boot on source, rename input channel, auto source switching, signal lost detection, HDMI version), system (language, system update, setting reset, factory reset, Android setting), admin (menu lock, meeting room, HDMI CEC, screen share, Miracast standby, log export)
Playback media
Y
Other features
Power supply type
Internal
Wi-Fi standards
Wi-Fi 5 (802.11ac)
USB connector type
USB Type-C
Quick start guide
Yes