DROKxae; Digital Volt Ampere Amp Voltmeter Ammeter 200-500V 50A LCD Voltage Measu. Working Mode: Voltage and current Monitor dual display,2-wires Measuring Range: AC200-500V, AC0.1-50.0A (with sensor,two wires, measure directly) Display: LCD, blue backlight, 3 digits (Viewable Size: 48 x 24.5mm) Minimum resolution: 1V/0.1A; Accuracy: 1% +/- 2 digits Power Consumption: &lt;0.2 VA;Dimensions: 70x40x39mm; Installation Size: 68x38 mm