Feature:1. Suitable for distribution boxes, power distribution cabinets, voltage regulators, teaching equipment, household small distribution boxes.2. Can display the AC voltage and current simultaneously.3. Wide measurement voltage and current range, AC voltage: AC 80-300V, AC current: AC 0-50A.4. High measurement accuracy, up to 1%.5. The instrument is equipped with a precision small current transformer, no need to add additional working power and AC transformer.Specification:Item Type: Voltage Current Meter Measurement Accuracy: 1%Measuring Range:AC Voltage: AC80-300VAC Current: AC0-50APower Consumption: 0.2VAMeasuring Speed: About 2 Times Per SecondInstallation Size: Approx. 68 x 38mm / 2.7 x 1.5in (Embedded Installation)Package List:1 x Voltage Current Meter