Simple & Easy!
The Interactive Pen-Tray enables user to easily select different pen color or an eraser without selecting any button on the software. User can pick up any pen (Black/Red/Green/Blue) or an eraser from the Interactive Pen-Tray and it will identify which one has been selected.
Auto Detect Multi-Color Mode
The Interactive Pen-Tray can automatically activate multi-color mode (2C/3C/4C) when more than one pen have been picked up from the pen tray.