The iiyama ProLite LH5541UHS-B2 55" 4K UHD monitor is designed for 24/7 digital signage applications, combining reliability, visual quality and versatility. The IPS panel ensures brilliant colours and wide viewing angles, ideal for public, corporate and retail environments. The integrated USB media player allows standalone content playback without the use of external devices. It supports LAN and RS232 control for centralised management, and can be installed in both landscape and portrait orientation. Stylish and robust, it is the perfect solution for high-impact digital communications.
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LH5541UHS-B2 – Prolight LED 55" monitor with IPS 4K UHD technology

The 55" LH5541UHS-B2 is the ideal choice for advanced digital signage solutions in retail, corporate and public environments. With its 4K UHD IPS panel, it delivers ultra-sharp images, true-to-life colours and perfect visibility from any angle. Designed for 24/7 continuous use, it ensures maximum reliability even in high-intensity installations. The integrated USB media player allows for standalone content playback, while support for LAN and RS232 remote control makes centralised management of multiple displays easy. Available in both landscape and portrait orientation, the ProLite LH5541UHS-B2 combines modern aesthetics, operational efficiency and high performance to deliver impactful visual communications in any professional setting.
Main features:
- 55" 4K UHD display (3840x2160)
- IPS panel
- Continuous use 24/7
- Built-in USB media player
- Remote control via LAN and RS232
- Horizontal and vertical orientation
- Modern design with thin frame
Further details
It delivers ultra-detailed and sharp images, perfect for impactful visual content in professional applications.
Remote display management via local network, ideal for multiple installations or centralized digital signage.
It ensures accurate and consistent colors with wide viewing angles, perfect for public and corporate environments.
Designed for uninterrupted use, it guarantees maximum reliability even in high operating load contexts.
Plays content without an external PC (⚠️ not supported in portrait/pivot mode).
Technical data sheet
Model | LH5541UHS-B2 |
DISPLAY CHARACTERISTICS | |
Design | Thin bezel |
Diagonal | 54.6", 139cm |
Panel | IPS, haze 1% |
Native Resolution | 3840 x 2160 (8.3 MegaPixels 4K UHD) |
Aspect Ratio | 16:9 |
Brightness Panel | 500 cd/m² |
Static Contrast | 1200:1 |
Response Time | 8ms |
Viewing Area | horizontal/vertical: 178°/178°, right/left: 89°/89°, up/down: 89°/89° |
Colour support | 1.07B 10bit (8bit + Hi-FRC) (NTSC 72%) |
Horizontal Sync | 30 - 83kHz |
Viewable area W x H | 1209.6 x 680.4mm, 47.6 x 26.8" |
Bezel width (sides, top, bottom) | 14mm, 14.5mm, 15mm |
Pixel pitch | 0.3155mm |
Bezel color and finish | black, glossy |
INTERFACES & CONNECTORS | |
Analog signal input |
VGA x1 (max. 1920x1080 @60Hz) |
Digital signal input |
HDMI x3 (2.0, max. 3840x2160 @60Hz) |
Audio input |
Mini-jack x1 |
Monitor control input |
RS-232c x1 RJ45 (LAN) x1 IR x1 |
HDCP | 2.2 |
USB ports | x1 (2.0, USB Media Player) |
FEATURES | |
Max. non-stop operating time | 24/7 |
Media playback | yes |
Housing (bezel) | yes |
GENERAL | |
OSD languages | EN, DE, FR, ES, IT, CN, RU, JP, CZ, NL, PL |
Control buttons | Power |
User controls | picture (picture format, color temp., noise reduction, dynamic contrast, gamma, brightness, black level, colour, contrast, hue, sharpness, RGB range, reset), Sound (treble, bass, balance, speaker, audio output, reset), general settings 1 (menu languages, clock, schedule, HDMI CEC link, HDMI modes, communication setting), screen (auto adjust, clock, phase, H. position, V. position, reset), general settings 2 (auto power off, network standby, power management, auto signal detection, auto play, local KB lock, RC lock, monitor ID, LED, pixel shift, information, factory reset) |
MECHANICAL | |
Orientation | landscape, portrait |
Fanless design | yes |
VESA mounting | 400 x 400mm |
Operating temperature range | 0°C - 40°C |
Storage temperature range | - 20°C - 60°C |
MTBF | 50,000 hours (excluding backlight) |
Accessories Included | |
Cables | power, HDMI, RS-232c |
Guides | quick start guide, safety guide |
Other | Cable Management |
Remote Control | yes (batteries included) |
Power Management | |
Power supply unit | internal |
Power supply | AC 100 - 240V, 50/60Hz |
Power usage | 139W typical, 0.5W stand by, 0.3W off mode |
Sustainability | |
Regulations | CB, CE, TÜV-Bauart, EAC, RoHS support, ErP, WEEE, REACH |
REACH SVHC | above 0.1%: Lead |
Dimensions / weight | |
Product dimensions W x H x D | 1237.5 x 710 x 55mm |
Box dimensions W x H x D | 1386 x 845 x 130mm |
Weight (without box) |
14.3kg |