Keenstone Digital Multimeter,TRMS 6000 Counts Manual and Auto Ranging;Pocket Size Flashlight Measures Voltage Tester,Current,Resistance,Continuity,Frequency;Tests Diodes,Transistors,Temperature. Great unit. Does more than a normal multimeter, it has Frequency, Temperature, Max/Min, Relative Value Measurement, Duty Cycle Test and NCV. which is the ability to put the front of the unit against a wire to see if any current is flowing thru it. #Rankboosterreview #keenstone #Keenstone@2018