This product is a 6000-count autoranging digital clamp multimeter with an LCD display, and the instrument measures AC voltage and current with true RMS values to ensure more accurate measurement results for signals of different waveforms. It can be used to measure AC and DC voltage, AC and DC current, resistance, capacitance, frequency, duty cycle, temperature, the forward voltage drop of diodes, conduct continuity tests as well as non-contact AC voltage measurement (NCV), and this multimeter can be connected to a mobile phone via Bluetooth and the measurement data can be displayed on the phone through an APP, enabling remote monitoring of the measurement status with the control range within 10 to 15 meters.