1 SMART MODE: Smart digital multimeters can automatically measure voltage, resistance, conductivity, and frequency at optimal resolution, very versatile 2 AMP TEST AUTOMATICALLY ACTIVATION: The electrical amp tester can automatically activate current test function with red backlight. No need to switch, just plug the test probe into the amp port 3 RECHARGEABLE AND REUSABLE: The smart pocket voltmeter come with a rechargeable lithium ion battery and charging cable, so you'll never have to worry about power 4 VFD FUNCTION: The digital voltmeter with VFD function, which is suitable for high accuracy of variable control drive equipment. Also can be used to test capacitance, temperature, amp, diode, continuity, ohm, hz, V alert and live wire. With this smart digital voltmeter, you can solve industrial, vehicle and household electrical problems, etc. 5 RECOGNITION AND INDICATION: Digital multimeter support neutral wire and live wire recognition, live line analog bar full grid, buzzer sound, zero line without, and no red backlight
What's in the box
1 x Digital Multimeter