... whiteboard CE,FCC,RoHS,ISO9001,ISO14001 Mouse simulation function Portable ultrasonic interactive whiteboard--DM4600Easy to take, easy to install1 ... document6)Edit object: Edit handwriting, graphics, functions, etc on the page , arbitrary zoom, move, rotate, lock, unlock, and change ... ) 148*148*34mm Weight(Support excluded) 150g Working way Wired Power supply Power is obtained from the computer ...