... -calculate and display PI (polarization index) & DAR..Supports insulation analysis by Polarization Index (PI), Dielectric Absorption Ratio (DAR), step ... batteries).Batteries: 1.5Vx6, LR14; rechargeable NiMH 7.2V.Battery life: 5 hours ~ 9 hours continuously.Dimensions & weight: 260(w ... ,Black and Blue) 1 for each,each 3 meter.Data Analysis Software, 1 piece.Crocodile clip (red, black, blue),each for ...