LG 75” TR3PJ UHD Multi Touch Signage Display series can simultaneously use up to 20 points of multi touch. This function offers a lifelike board writing experience and makes collaboration much easier. With the newly upgraded ScreenShare Pro, which enables to show a maximum of six shared screens or a file on a screen in real-time, it has enhanced usability by allowing users to share Chromecast, Airplay and Miracast mirroring on the same network. Air Class supports connecting up to 30 students and offers interactive classes by using mobile devices equipped with web browsers, providing a variety of tools such as voting, answering, and sharing project texts. By activating DPM function, the display can be set to be on only when there is an input signal, which enables more efficient power management. The TR3PJ series supports the web browser* in the Android OS**, so you can search the web easily and quickly, without connecting to an external desktop. The TR3PJ series integrates both Android OS and Free apps into a high performance SoC, without a PC. The TR3PJ series supports OPS slots, allowing you to easily and conveniently mount OPS desktop at the back of the interactive digital board with internal power delivery. The USB Block Mode that helps secure and prevent data from being copied into unauthorized devices in advance, which is essential for being used in space where security is critical.