Smart Sensor AR907+ Voltage Insulation Meter Resistance Tester Megger AR-907+ 50V/100V/250V/500V/1000V PRODUCT PROPERTY: Basic: Brand name is noenname_null.Display type is digital only.Diy supplies is electrical.Origin is cn(origin). REASONS TO BUY: Voltage insulation meter: the standard voltage meter is used to measure the internal voltage of various objects, such as high-voltage, low-voltage, and high-temperature resistance. please read the product description carefully before ordering. Earth tester smart sensor ar41105a: smart sensor meter with ar41105a is an ideal test for your home or laboratory, and it also has auto-shut off when you need to reset the temperature. Resistance meters: use high-quality materials to make sure you can get a good reading experience, and it is also very suitable for home or commercial use.