... 100*100 & 75*75mm it is better for cash register machine 15" (4:3). display area (H * V mm): 304.128 ... (R / L / U / D):70/70/60/60working time:50000hours. Touch times:>1,000,000/dothorizontal frequency:30-80KHZ field frequency ... Size: (5pcs) 43 * 36.5 * 80 (unit: cm) 27.5kgAccessories: Touch Pen, CD-ROM drive, USB computer connection, power supply, VGA ...