Megger Model # DLRO-10 Accurate results in under 3 seconds Designed for the rigors of onsite testing and laboratory use Four-wire measurement technique cancels out lead resistance Auto current reversal cancels standing emfs Continuous not pulsed current Fuse protected to 600V NiMH battery reduces weight Automatically detects continuity in potential and current connections Visible warning of high voltages present at the terminals Visible warning of current flowing in the test sample 5 operating modes including fully automatic > Each Unit Includes NiMH battery module Two duplex handspikes 1.2m/4 ft,one with indicator lights Battery charger for operation from 115/230V/ 50/60 Hz Cigar lighter adapter for battery charging User guide Warranty manual