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Description: Moonzite 22mm Digital AC Voltmeter AC 50-500V Voltage Meter Gauge Digital Display Indicator GreenSpecification: Model AD16-22V Mounting hole 22mm Voltage AC 50-500V Class of safet..

Features:  1. Electrical parameter measurement function (voltage, current, active power, energy, frequency, power factor)2. Overload alarm function (over power alarm threshold, backlight and power flashing to alarm)3. Power alarm threshold preset function (can set power alarm t..

Features:  1. Electrical parameter measurement function (voltage, current, active power, energy, frequency, power factor)2. Overload alarm function (over power alarm threshold, backlight and power flashing to alarm)3. Power alarm threshold preset function (can set power alarm t..