... rotate, zoom in/out 2.Withstands severe environments 3.Stable, no-drif 2,4,6,10,16,32 points 32/ ... of false touch reportsElectricalOperation VoltageTypical +DC 5V, +4.75V to +5.25VPower SupplySize under 52”(include ... included): external AC-DC power adaptorInterfaceFull Duplex USB 2.0 (Full Speed) Plug and play compatibleSerial RS ... Linux/ Dos / Windows 7/XP//Mac OS 2,4,6,10,16,32 points 32/42/52/55/65 ...