... 2.Power:USB 3.Low cost solution,Low power consumption 6.5'' PDA, GPS 4 Wire Touch Screen Panel KitTouch Screen ... Viewing Area(mm) Active Area(mm)4wire resistive 6.5'' WVT-PAC6.5C 157.00*90.00 144.00*79.70 140 ... touch IR Panel, we can offer Dual-touch(2 points), 6 points, 8 points, 10 points, 16 points and 32 points ... , No ghost point. Etc 6.5'' 4 Wire Touch Screen Panel Kit