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 ... easy use and safety.Frame: aluminum, durable (8years)Surface: honeycomb aluminum panel, light, anti-strong hit, anti-glare, excellent ...