Features 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 Current: AC0-50A Power Consumption: 0.2VA Measuring Speed: About 2 Times Per Second Installation Size: Approx. 68 x 38mm / 2.7 x 1.5in (Embedded Installation) Package List 1 x Voltage Current Meter