Unique Features: 1. Powerful PowerPoint presentations: Write, highlight and flip the pages during PowerPoint slide show mode. 2. Smooth wireless connectivity: 2.4GHz RF proprietary communication system to ensure a smooth connection. 3. Supports multi-user mode: Configure a whole class interactive solution or group meeting. Control right is switched freely. 4. Standard A4 size writing area: Realistic writing space writing on real paper in real ink! 5. Superior positioning precision up to 0.1mm. 6. Onboard operation icons: Provides instant access to on-screen shortcuts by touching with the interactive pen. 7. Print to Match' function: A unique feature that enables users to write on the print out and match to the display easily. 8. Ultra low power consumption: Prolong the continuously working time. 9. Whiteboard mode for teaching: A teaching image library is also provided to prepare teaching content easily. 10. Ultra portable and lightweight (200g with batteries).