Standard Pack = 1 piece(s). Type = Surface Roughness Gage ; Stylus Tip Radius = 80 Micro Inch ; Ra Measurement Minimum = 0.8000 Micro Inch ; Ra Measurement Maximum = 394.0000 Micro Inch ; Data Output Type = RS-232C, SPC, USB ; Power Supply Type = AC Adapter, Battery ; Battery Type = Rechargeable ; Operating Temperature = 41 To 104 Deg F ;