... : 3 mA USB 2.0, Graphic Windows Software Application:This meter is an insulation resistance tester with broad range of measurement ... seconds to 30 minutes.Large and clear LCD with multiple data and bar graph display and back lighting.USB 2.0 ... Prober( Red,Black and Blue) 1 for each,each 3 meter.Data Analysis Software, 1 piece.Crocodile clip (red, black, blue),each ...