The meter is completely portable, LCD, 3-1/2 digit clamp meter with insulation texf function (with option 500V insulation tester unit ). Designed for use by lectricians, technicians, serviceman and hobbyist who required an instrument is accurate, reliable, and always ready for use. it is powered by a standard 9V transistor radio type Battery, providing 150-200 operating hours, depending upon the type of battery and usage. It has rugged structure design, good feeling held in operators hand and convenient use. The meter is completely portable, LCD, 3-1/2 digit clamp meter with insulation texf function (with option 500V insulation tester unit ). Designed for use by lectricians, technicians, serviceman and hobbyist who required an instrument is accurate, reliable, and always ready for use. it is powered by a standard 9V transistor radio type Battery, providing 150-200 operating hours, depending upon the type of battery and usage. It has rugged structure design, good feeling held in operators hand and convenient use. The meter is completely portable, LCD, 3-1/2 digit clamp meter with insulation texf function (with option 500V insulation tester unit ). Designed for use by lectricians, technicians, serviceman and hobbyist who required an instrument is accurate, reliable, and always ready for use. it is powered by a standard 9V transistor radio type Battery, providing 150-200 operating hours, depending upon the type of battery and usage. It has rugged structure design, good feeling held in operators hand and convenient use. The meter is completely portable, LCD, 3-1/2 digit clamp meter with insulation texf function (with option 500V insulation tester unit ). Designed for use by lectricians, technicians, serviceman and hobbyist who required an instrument is accurate, reliable, and always ready for use. it is powered by a standard 9V transistor radio type Battery, providing 150-200 operating hours, depending upon the type of battery and usage. It has rugged structure design, good feeling held in operators hand and convenient use.