Features: _x000D_ This AC voltage meter is small in size, compact design. _x000D_ It can measure and show voltage, the measuring range is 70-380V AC. _x000D_ The voltage meter uses 0.36inch 3-digit LED display, clear to read. _x000D_ There are 2 wires, easy to connect; can test directly and no need of power supply. _x000D_ Widely used for AC 220V mains electricity test, voltage monitoring of 220v generator and inverter, and other AC circuit voltage test. _x000D_ _x000D_ _x000D_ Specification: _x000D_ Metering Range: 70-380V AC _x000D_ Test Accuracy: 3 _x000D_ Teat Speed Rate: 200ms/time _x000D_ Error: 1%_x000D_ _x000D_ Size: 4.5*3cm/1.8*1.2in _x000D_ Weight: Approx.20g/0.7oz _x000D_ _x000D_ _x000D_ Package list:_x000D_ 1 * Voltage Meter _x000D_ _x000D_ _x000D_ Electric Shock Warning: _x000D_ Please ask a professional electrician to install this product, in order to avoid electric shock. 1This AC voltage meter is small in size, compact design. 2It can measure and show voltage, the measuring range is 70-380V AC. 3The voltage meter uses 0.36inch 3-digit LED display, clear to read. 4There are 2 wires, easy to connect; can test directly and no need of power supply. 5Widely used for AC 220V mains electricity test, voltage monitoring of 220v generator and inverter, and other AC circuit voltage test.