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 accuracy Appearance in a standard size easy to install Power supply polarity protection circuit Specifications: Accuracy: 1% Display: 0.5-inch LED digital tube Measuring voltage: AC 80V-300V Measuring current:AC 0.1-99.9A Power consumption !#!lt!*!0.2VA Measurement speed: about 2 times per second Shell Material: Plastic Size: approx. 80 x 53 x 60(mm) Net Weight: 119g Package Includes: 1 x Voltage Amp Meter