Features There are 2 wires for easy connection; it can be tested directly without power supply. This AC voltmeter is small in size and compact in design. It can measure and display voltage with a measurement range of 70-380V AC. The voltmeter uses a 0.36-inch 3-digit LED display with clear readings. Widely used for AC 220V mains voltage test, voltage monitoring of 220V generators and inverters, and other AC circuit voltage tests. Features: -There are 2 wires for easy connection; it can be tested directly without power supply. -This AC voltmeter is small in size and compact in design. -It can measure and display voltage with a measurement range of 70-380V AC. -The voltmeter uses a 0.36-inch 3-digit LED display with clear readings. -Widely used for AC 220V mains voltage test, voltage monitoring of 220V generators and inverters, and other AC circuit voltage tests. Specification: Metering Range: 70-380V AC Test Accuracy: ±3 Teat Speed Rate: ≥200ms/time Error: 1% Size: 4.5*3cm/1.8*1.2in Weight: Approx.20g/0.7oz 1 * Voltage Meter Electric Shock Warning: Please ask a professional electrician to install this product, in order to avoid electric shock. Package List