1、Multi Function: Voice broadcast clamp meter, 600A high current measurement, phase sequence detection, netural and live line, multi function clamp multimeter. 2、High Accuracy: Non contact induction measurement of AC current, safer, high accuracy induction, 34mm jaw design, suitable for a variety of wires. 3、Voice Announcement: The pen tip is pressed against the phase line test, and the voice announces the test results when finished, "positive phase sequence inverse phase sequence" screen shows C is inverse phase and R is positive phase. 4、NCV Measurement: NCV measurement senses power when the screen will display "‑‑‑‑" and there is an alarm sound, flashlight and backlit screen helps to measure in dim environment. 5、Various Measurements: DC voltage measurement, AC voltage measurement, capacitance measurement, resistance measurement, diode measurement, °C °F temperature measurement, fuse on off detection, Hz measurement, AC current measurement.