LG 55TR3DK-B CreateBoard 55" UHD 4K Touchscreen Commercial Monitor

Overview

The LG 55TR3DK-B is a 55-inch UHD 4K touchscreen commercial monitor designed for interactive presentations, teaching, and collaborative work. It features an IPS panel that delivers consistent color and sharp detail visible from every seat in the room. The display supports up to forty simultaneous touch points with infrared sensing, enabling multiple users to write, draw, and interact naturally and responsively. Running Android 11, it allows direct access to popular productivity apps without needing an external computer, while also offering flexible connectivity options for personal devices and optional PC modules.

Key features

• 55-inch UHD 4K IPS display ensures clear visuals and accurate colors across wide viewing angles
• Infrared touch technology supports up to forty simultaneous inputs for multi-user collaboration
• Android 11 operating system provides native access to Google Drive, Docs, Sheets, and other apps
• Built-in Wi-Fi 6 and Bluetooth 5.0 enable fast and reliable wireless connections for screen sharing and peripherals
• Front HDMI and USB-C ports offer simple, single-cable connections for laptops and other devices
• OPS slot allows integration of Windows or Linux compute modules for full desktop software use
• Wireless screen sharing supports up to nine devices simultaneously, facilitating group discussions and hybrid meetings
• Screen lock and USB lock mode protect sensitive information and prevent unauthorized file transfers
• Two front-facing 15-watt speakers deliver clear audio suitable for most classroom or meeting room environments

Key specs

• Display size: 55 inches
• Resolution: UHD 4K (3840 x 2160)
• Panel type: IPS
• Touch technology: Infrared with up to 40 simultaneous touch points
• Operating system: Android 11
• Wireless standards: Wi-Fi 6, Bluetooth 5.0
• Audio output: 2 x 15 watts front-facing speakers
• Connectivity: HDMI, USB-C, OPS slot for PC module

Connectivity and compatibility

This monitor offers versatile connectivity options to fit various setups. The front HDMI and USB-C ports allow quick connection to laptops, tablets, or other devices with a single cable, reducing clutter and setup time. The OPS slot supports optional PC modules running Windows or Linux, enabling full desktop applications when needed. Wireless collaboration is enhanced by built-in Wi-Fi 6 and Bluetooth 5.0, allowing multiple users to share screens and connect peripherals without cables.

• Front HDMI port for high-definition video and audio input
• USB-C port supports video, data, and power delivery in one cable
• OPS slot compatible with Windows and Linux compute modules
• Wi-Fi 6 for fast, stable wireless network connections
• Bluetooth 5.0 for connecting wireless accessories

Ideal uses and environments

The LG 55TR3DK-B fits well in educational settings such as K-12 classrooms and university lecture halls, where clear visuals and interactive participation are essential. It also suits corporate training rooms and huddle spaces that benefit from quick setup and intuitive multi-user interaction. Its ability to handle multiple simultaneous touch inputs and wireless screen sharing makes it a strong choice for collaborative teams and hybrid meetings, supporting a variety of devices and user preferences.