Clients can avail from us a wide range of Portable Interactive Whiteboard (Version 3.0), as we are involved in manufacturing, supplying, trading and exporting in Shenzhen, Guangdong, China. It is a fully featured interactive whiteboard system that transforms any standard whiteboard, flat surface (such as a wall) or projection screen into an interactive whiteboard.Only one Portable Interactive Whiteboard, it could make any flat surface into interactive whiteboard. No battery is required for USB signal receiver and the unit can be mounted to the ceiling if a permanent solution is required. Working with the extendable pointer E-Pen (Electronic pen) or E-pointer, you and your students can explore internet websites, build interactive flipcharts and create more opportunities for discussions and interaction in the classroom. It can work with any projectors and has a small body. So just get rid of the huge size conventional interactive whiteboard and make your classroom interactive with the Portable Interactive Whiteboard F-35.F-35 is the Newest and Revolutionary version of our Portable Interactive Whiteboard series. Not only it has a new design plastic appearance which is light and handy., but also designed with the new installation method which is more convenient for users to stick on the projector. Moreover, the revolutionary function is the Auto-calibration. There's no need to calibrate the point one by one. It greatly improve the user experience.