Portable ultrasonic interactive electronic whiteboard CE,FCC,RoHS,ISO9001,ISO14001 Mouse simulation function Portable ultrasonic interactive whiteboard--DM4600Easy to take, easy to install1)Work with any projectors 2)Work with any computers with Windows® 2000,Windows® XP, Windows® vista,Windows®73) portable and smart, only 0.15kg. Main Function1)Correct: 9 points positioning adjust, high accuracy ...