Optical Electric Whiteboard. 1.optical whiteboard 2.interactive boards 3.The best serive 4.optical response

Optical Electric Whiteboard.

Technology: InfraredTechnologyWriting Stylus: Pen or FingerResolution: 4096X4096Cursor Speed: 120 dots/secondConsumer Current: ≥100mAPort: USB or COMDimension (inch): 105ScreenProportion: 16:9Active Input Area (mm): 2013 1139Intelligent Pen Tray: NoWorking Temperature: -10~45°CWorking Humidity: 30~90%Storage Temperature: -40~50°CStorage Humidity: 10~98%

cheap interactive optical electric white board