Product Overview

The LG 55UM777H offers an array of features tailored for enhanced in-room entertainment and management:

Built-in Connectivity: With built-in Wi-Fi and LAN connectivity, the 55UM777H seamlessly connects to the internet and local networks, enabling access to a variety of online content and services.

Input Options: Broadcast signals can be easily input through the RF coax, while local in-room devices like Blu-ray players can be connected via HDMI, providing versatility for various entertainment setups.

Audio Options: The TV features built-in 20W stereo speakers, or you can easily connect to external sound systems using 3.5mm, Optical, or HDMI-ARC connections.

Slim Profile and Flexible Mounting: With its slim profile, the 55UM777H adds a sleek aesthetic to any room. It comes with a tabletop stand for easy placement on a flat surface, or it can be mounted with optional equipment for versatile installation options.

Pro:Centric Cloud: Enhances enterprise CMS solutions with various design templates, improving data collection and analytics with an eye-catching dashboard. The Mobile Application Creator simplifies the setup of concierge services on mobile devices for immediate guest response.

Pro:Centric Direct: Simplifies content management and remote management with simple editing tools and IoT-based in-room control. It offers voice control function through LG Natural Language Processing (NLP) and management for on-board apps like Netflix.

SoftAP: Acts as a virtual Wi-Fi hotspot, allowing guests to connect their own devices for internet access.

Pro:Idiom: Provides access to premium content with DRM technology, ensuring rapid deployment of HDTV and other high-value digital content.

Additional Features: Includes AI Picture Pro for enhanced image quality, Game Optimizer for optimized gaming experience, LG Sound Sync for seamless audio connection, web browser for internet browsing, multi-view support for simultaneous viewing of multiple sources, gallery mode for displaying artwork or photos, HDMI-ARC for audio return channel, IoT for internet of things connectivity, USB settings cloning for efficient configuration, Wake on RF and Wake on LAN for remote wake-up, SNMP for network management, HDMI-CEC for device control, and Beacon for proximity-based interactions.

Key Features

UHD 4K (3840 x 2160) Native Resolution
HDR 10 Pro & HLG
Pro:Centric Direct CMS
3 x HDMI Inputs, Including 1 with ARC
RF Coaxial Antenna Input
380 nits Brightness
Pro:Idiom Support
Built-In Wi-Fi & Bluetooth
Internet-of-Things Ready
IR Remote & Tabletop Stand Included

Additional Features

AI Picture Pro
Game optimizer
LG Sound Sync
Web browser
Multi-view support
Gallery mode
HDMI-ARC
IoT
USB settings cloning
Wake on RF
Wake on LAN
SNMP
HDMI-CEC
Beacon

Specifications

Key Specs
Display Size 55"
Native Resolution 3840 x 2160
Maximum Brightness 380 nits / cd/m2
Inputs 3x HDMI 2.0,1x Coaxial F-Type (RF Antenna)
Outputs 1x 1/8" / 3.5 mm (Analog Audio),1x TOSLINK Optical (Digital Audio)
Wireless Wi-Fi 5 (802.11ac) / Bluetooth
USB I/O 2x USB-A 2.0
Ethernet I/O 2x RJ45 (Unspecified Ethernet)
Other I/O 1x 1/8" / 3.5 mm Serial (RS-232C) Control Input
Built-In Speakers Yes, 2x 20 W
Media Card Reader No

Display
Display Size 55"
Panel Type LCD
Aspect Ratio 16:9
Display Orientation Landscape
Native Resolution 3840 x 2160
Maximum Brightness 380 nits / cd/m2
HDR Support Yes, HDR10/Hybrid Log Gamma
Refresh Rate 60 Hz
Pixels Per Inch (ppi) 80 ppi

Video
Video System NTSC / ATSC
TV Tuner Yes - ATSC, QAM

Connectivity
Inputs 3x HDMI 2.0,1x Coaxial F-Type (RF Antenna)
Outputs 1x 1/8" / 3.5 mm (Analog Audio),1x TOSLINK Optical (Digital Audio)
HDCP Support Yes
Wireless Wi-Fi 5 (802.11ac) / Bluetooth
USB I/O 2x USB-A 2.0
Ethernet I/O 2x RJ45 (Unspecified Ethernet)
Other I/O 1x 1/8" / 3.5 mm Serial (RS-232C) Control Input

Speaker
Built-In Speakers Yes, 2x 20 W
Speaker Configuration 2-Channel
Processing Dolby Digital, Dolby Digital Plus, DTS

Hardware
Smart TV webOS 2.3
Mobile App Compatible Yes: Android & iOS
Media Card Reader No
Built-In Mic No

Environmental
Operating Temperature 32 to 104°F / 0 to 40°C
Storage Temperature -4 to 140°F / -20 to 60°C
Operating Humidity 80%
Storage Humidity 85%

Electrical
Power Consumption
Maximum: 136.0 W
Typical: 121.7 W
Standby: < 0.5 W
Input Power 120 VAC, 60 Hz
Power Adapter Type Internal

General
Certifications UL, FCC
Adjustments Swivel: 40° (-20 to 20°)
Mounting-Hole Pattern 300 x 300 mm
IK Rating No
Lock Slot Yes, Kensington
Bezel Thickness 7.5 mm (Right/Top/Left) 14.8 mm (Bottom)
Dimensions
48.7 x 30.4 x 11.9" / 1236 x 771 x 303 mm (with Stand)
48.7 x 28.2 x 1.2" / 1236 x 716 x 29.7 mm (without Stand)
Weight
40.1 lb / 18.2 kg (with Stand)
33.1 lb / 15 kg (without Stand)