Fangrui Product Details Multifunctional Tester: Including The Measuring Functions Of Ac/dc Voltage, Resistance, Capacitance, Temperature, Diode, On/off, Phase Sequence, Zero Fire Wire, Etc. Intelligent Voice Broadcast: The Data Measured By The Meter Will Be Broadcasted By Voice. Ncv Power Sensing: It Will Flash Red Light And Sound An Alarm When A Nearby Ac Voltage Is Detected. Phase Sequence Detection: After The Pen Tip Is Close To The Phase Line And The Test Abc Is Completed, The Display Screen Will Display The Test Result On The Screen. Flashlight Function: Let You No Longer Be Afraid Of Invisible Measurement Position In Dark Environment, Lighting Up The Working Area To Assist Night Work. Detachable Nickel-plated Tip: Unscrew The Detachable Metal Nib With Pliers, With Different Measuring Nibs. Lcd Va Color Reverse Display: 6000 Counts Max. Display, With Data Hold Function, You Can Read The Measured Value Clearly In The Dark Environment. Power Supply: Runs On A Single Aaa Battery, Low Power Consumption And Easy To Rep