1.Interactive dual-writing Whiteboard. 2. Infrared technology, Green Material. 3. 29 Languages Choice. 4 ... other, achieve interactive communicate and response. 3).Infrared technology, Green Material:Infrared Technology: Green Technology, finger touch, the surface ... width, different pen styles. With spotlight, camera, amplify glass, mask, record, save, playback, print, email, etc. 9). CertificatesHave ...