... than 1 kg, USE it any time , any where as you want !Wasting money, time and human ... board. Not moveable, only can use in the fixed classroom. can use it any where, can work on any flat ... with any projector , then you get one interactive white board ! The i-cam can detect any information that writing ... , PDF. 8.Sound recording, screen-capturing:you can keep the complete audio and video history in the ...