The MG320 combines a portable 20gω/1000V insulation tester with a true RMS multimeter. Insulation tester includes Pi/dar modes, programmable timer, and a comparator for custom test configurations and Quick results. CAT IV 600V safety rating. Manually store/recall up to 99 readings. 5 test voltage ranges. High voltage and overload indication. Complete with test leads, alligator clip, 6 x AA batteries, and soft case.