The Mecer 55S99U is a professional 55-inch Ultra HD 4K commercial display designed for digital signage, education, hospitality, boardrooms, retail environments and business applications. Featuring a sharp 3840 x 2160 resolution, powerful Quad-Core ARM Cortex-A53 processor, Android 11 operating system and integrated media playback capabilities, it delivers outstanding visual performance and flexible content management without requiring an external media player.
IMPORTANT: This product does NOT include a TV tuner and is NOT a television. While it includes Android 11, Wi-Fi, Bluetooth and media playback functionality, it is designed as a commercial display and cannot receive terrestrial television broadcasts without an external decoder or media source.
Key Features
54.64-inch UHD 4K LCD Display (3840 x 2160)
DLED Direct Backlight Technology
5000:1 Contrast Ratio
6.5ms Response Time
178 Horizontal and Vertical Viewing Angles
1.07 Billion Display Colours
Quad-Core ARM Cortex-A53 Processor
Dual-Core G52MP2 Graphics Processor
Android 11 Operating System
Built-in Wi-Fi (2T2R)
Bluetooth 5.1 Connectivity
1.5GB DDR3 RAM
8GB Internal Storage
Dolby Audio Support
HDMI ARC and HDMI CEC Support
Integrated Media Player Functionality
VESA Mount Compatible (300 x 300mm)
Display Specifications
Screen Size: 54.64-inch Diagonal
Resolution: 3840 x 2160 UHD
Aspect Ratio: 16:9
Contrast Ratio: 5000:1
Response Time: 6.5ms
Viewing Angle: 178 Horizontal / 178 Vertical
Colour Gamut: NTSC 68%
Brightness: 250-300 cd/m
Display Colours: 1.07 Billion
Uniformity: 70%
Local Dimming: Not Supported
Hardware Specifications
CPU: ARM Cortex-A53 Quad-Core 1.5GHz
GPU: G52MP2 Dual-Core
Memory: 1.5GB DDR3
Storage: 8GB Flash Memory
Audio Output: 8W + 8W Stereo Speakers
Connectivity
HDMI x 3
USB 2.0 x 2
RJ45 LAN x 1
AV Input x 1 (Mini)
Optical SPDIF Output x 1
Audio Output x 1
Wi-Fi (2T2R)
Bluetooth 5.1
Software Features
Android 11 Operating System
Dolby Audio
HDMI ARC (HDMI 1)
HDMI CEC
Sleep Timer
PVR Support
Teletext
OTA Updates
Dimensions & Weight
Without Stand: 1226 x 89 x 720mm
With Stand: 1226 x 243 x 741mm
Carton Size: 1321 x 120 x 804mm
Net Weight (Without Stand): 10.9kg
Net Weight (With Stand): 11.1kg
Gross Weight: 14.9kg
VESA Mount: 300 x 300mm
Power & Environmental
Power Input: 100-240V AC
Rated Power Consumption: 150W
Standby Power: 0.5W
Fire Rating: UL94-HB75
Operating Temperature: 5 C to 40 C
Storage Temperature: -20 C to 55 C
What's in the box
1 x 55S99U 55-inch UHD Display
1 x Power Cable
1 x Stand
1 x Remote control
1 x Instruction Manual
