?Handheld Digital Multimeter? Come with Test Probe, Can be Used to Diagnose, Assemble, Repair Circuitry and Wiring, is a Practical Tool for Electricians, Hobbyists and General Household Use, As a General Measurement Tool and Widely Used in the School, Laboratory, Factory and Other Social Field ?Fast Measure Speed and Accurate Value? It Can Accurately Measures Current, Voltage, Resistance and More, Displays Results Quickly with 2-3 Readings per Second Update Speed, It is Ready at all Times ?Included 9V Battery?Auto Power OFF for Power Conservation, After Auto Power-off, Pushing any of the Push Button or Changing the Rotary Switch can Turn on the Meter Again ?LCD Display?Backlit LCD with Large Digits, Makes it Easy to Read in Low Light Areas ?Over Load Protection?Buzzer & LED Low Battery Voltage Indication for Continuity Test, Measuring Instrument with Function of Data Hold, Maximum Value Hold, Function Switching