1.Support multi-touch, separately multi-touch 2.High cost performance 3.high accurancy Product Parameters External Size 1415*1011*33mm 1700*1225*33mm Active Size 1315*911*33mm 1600*1125*33mm Projection Size 1215*911*33mm 1500*1125*33mmPackage Size 1475*1091*100mm 1760*1305*100mm Net Weight 13kg 20kg Gross Weight 19kg 28kg Working Temperature 0°C-50°C Working Humidity 0-90%Storage Temperature -30° ...