Akozon Digital 0.36? LED Display Voltmeter AC Voltage Meter Panel 70-380V

Features: This AC voltage meter is small in size, compact design. It can measure and show voltage, the measuring range is 70-380V AC. The voltage meter uses 0.36inch 3-digit LED display, clear to read. There are 2 wires, easy to connect; can test directly and no need of power supply. Widely used for AC 220V mains electricity test, voltage monitoring of 220v generator and inverter, and other AC circuit voltage test. 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 Package list: 1 * Voltage Meter Electric Shock Warning: Please ask a professional electrician to install this product, in order to avoid electric shock.