Wireless Interactive Whiteboard W618 with built-in Voting System-- Wireless and Voting System W618 is a fully featured portable wireless interactive whiteboard system that enables interactive teaching from anywhere in the classroom. The electronic pen is integrated with a ballpoint that allows users to write on standard A4 size paper and interact with software applications simultaneously. It is superior portability, wireless connectivity, and above all, its value for money, make it the perfect plug and play interactive presentation solution for business, education and professional use. New Function--Voting system： The built-in voting system of the W618 enables a truly interactive class or meeting experience. One dongle is capable of supporting 48 voting systems, which alongside its real-time browse function to monitor the progress of the students.