LED INTELLIGENT JACK - To make it more convenient for users to use a multimeter, we have made a leading design on this multimeter - LED intelligent indicator jack. It solves the problem that users always have doubts about the choice of the socket when using a multimeter. With this multimeter, you don't need to worry about this problem any more. Switch the dial to choose the function you need, the corresponding LED light flashes to tell you which Jack you should choose HIGH ACCURACY & SAFE MULTI-METER - Manual range is more accurate and stable than automatic range measurement;Intelligent LED indicator socket ensures that you can use this meter correctly, which avoids the danger of wrong socket selection;Double insulation protection ensures the safety of testing; Safety Compliance:CAT.III 1000V CAT.IV 600V;CE,RoHS certified MULTIFUNCTIONAL METER & WIDE APPLICATION - As a manual ranging Multimeter, its LCD Screen has TRMS 6000 Counts, it can measure AC/DC Voltage, AC/DC Current, Resistanc