The TR3PJ 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. At annotation tool mode, ‘Un-do’ and ‘Re-do’ functions provide enhanced use. 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. Secured mode disables screen mirroring options for SSP (Screen Share Pro), which is an application that enables screen sharing between mobile devices and the display, to prevent any unauthorized contents to be shown via screen sharing functions in various devices. 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. Users can select the desired area of the screen to crop the image and store that in internal memory. Also, TR3PJ allows that send cropped images directly to email or note apps.