风格:electricmaterial:nullformat:4:3,16:9portable:yesproduct名称:户外互动塑料折叠触摸屏foilsize:80inchtouch点:10 pointsapplication:投影仪、lcdconnector:usbperformance:课堂上的笔迹表现最好,高速度和良好的linearity.operating系统:Windows XP / 7 / 8,Mac OS X,Linux,androidlife时间:7-9 yearswarranty:14 monthscertification:CE,ROHS