GMTOP Mini Square Digital Volt-ammeter Voltammeter Ammeter Voltmeter Cymometer Three LED Display Voltage & Current & Frequency Meter Indicator Monitor A-C Panel Meter A-C60-500V A-C0-100A 20-75Hz
Features:
Multifunctional mini digital tester Si-gnal indicator, it can be used to measure alternating current, voltage, and frequency simultaneously.
Wide measuring range of A-C0-100A, 60-500V, and 20-75Hz.
High brightness easy-to-read 3-digit LED display provides a clear readout.
2.2*2.2 inch square panel with cylindrical main body.
It can be used as Si-gnal indication, alarm Si-gnal and A-Ccident Si-gnal in electric power, telecommunication, mA-Chine tool, ship, textile, printing and mining mA-Chinery.