It is a Digital Volt Ampere Meter/2in1 Digital Tester, Voltage measuring range: AC130~500V, Current measurement range: AC0.0~200.0A, Measurement accuracy: 1% + 2 digits, Applications:The meter can be used in charger, inverter, solar energy, wind turbines, LED lights measurement, distribution box, voltage regulator,education appliances, appliance Repair, flapper, etc.