Standard Pack = 1 piece(s). Type = Electronic Height Gage ; Maximum Measurement = 38 Inch ; Resolution = 0.000001, 0.000010, 0.000100, 0.001000 Inch ; Data Output = USB, RS-232 ; Display Type = LCD ; Accuracy = 0.000043 + (0.000024 x L/24) Inch ; Perpendicularity = 0.0002 Inch ; Battery Type = NiMH ;