Features:100% Brand new and high quality D52-2042 Din-rail AC voltage and current meter can display AC voltage and current at the same time. If the measuring current is lower than 99.9A, you can get the AC current only making the wire accross the hole which in the right side of the meter. If the measuring current is higher than 99.9A, you should connect meter with a current transformer.Good stability and high measurement accuracyAppearance in a standard size, easy to installPower supply polarity protection circuitSpecifications:Accuracy: 1% +/- two wordsDisplay: 0.5-inch LED digital tubeMeasuring voltage: AC 80V-300V Measuring current:. AC 0.1-99.9APower consumption Measurement speed: about 2 times per secondShell Material: PlasticSize: approx. 80 x 53 x 60(mm)Net Weight: 119gPackage Includes:1 x Voltage Amp Meter