The 380360 is a 1000V digital tester with an automatic 3 minute test. Three test voltages of 250V, 500V and 1000V. Insulation Resistance to 2000MΩ. Automatic discharge when safety "Press to Test" button is released. Complete with 6 x AA batteries, heavy duty 2.5 ft. (0.8m) test leads, alligator clip, large probe and case with neck strap.