Interactive whiteboard (easyboard-85) 1. The easyboard uses electromagnetic sensoring technology to provide a unique combination of robust construction with pin-point accuracy. 2. A sleek, cordless electric pen enables the high accuracy with pin-point. Precision achieves 0.05mm. 3. Pet material for board surface, avoiding easy to damage in classroom 4. Powerful intuitive software with great function. Specification: Operation system:win2000/xp/vista/ mac Transmission interface:rs232-usb Precision: 0.05mm Band rate: 19200 Resolution: 8192*8192 Usb power supply: dc5v/100ma Pen battery: 1 pc aaa alkaline battery Power: