... 1.Size: Mass produce 1.0'' to 22'' 2.Power:USB 3.Low cost solution,Low power consumption 6.5 ... cost solution, Low power consumption4.Free warranty 1 year4 Wire Resistive Touch Screen--Finger, gloved hand ... failure;· Drift free, Deviation of Error below 1.5%, suitable for the operation Works With The Operating ... points), 6 points, 8 points, 10 points, 16 points and 32 points, No ghost point. Etc 6.5'' 4 ...