Features: OOTDTY Measuring Range: AC 30V-500V. Can be used to measure AC110V, 220V, 380VThe voltmeter only needs to connect two wires, the connection is simple0.56 inch digital LED tube used, the display is sharp and vividNote: this voltmeter uses capacitance to achieve voltage reduction, can not be used in inverter, electronic speed control, silicon-controlled dimming voltage regulation, UPS and other occasions with radio frequency component and sinusoidal wave, or it will rebel and not work normallySpecifications:Measure voltage: AC 30V-500VDmeasurement accuracy: ± 1%+1 digitDisplay color: red/blue/greenDisplay: 3 digits 0.56" LED displayRefresh rate: about 200ms/timesWorking temperature: -10°C-65°C (14°f-140°f)Size: 48x29x2 0mm/1.89x1.14x0.79"Quantity: 1pcNote:Please allow 1-3mm error due to manual measurement. Pls make sure you do not mind before you make a bid, due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!No Retail Package Package Included:1 x Digital AC Voltmeter