Infrared interactive whiteboard * IR single,multi-touch * finger touch,11 years * CE, FCC, ROHS * ... , make the life more convenient and human.Tang Hftouch IWB portable interactive whiteboard New magnetic pen holder:New!!! Four colors magnet ... intelligence pens on side frame Tang Hftouch IWB IR interactive whiteboard specification: New!!! IWB IR interactive whiteboard, smart board