Other Features
[1]. Built-in screws for wiring, safe and convenient in usage, durable and firm construction which good for long-time woking Great for electricity, telecommunications, machine tools, ships, printing and other equipment signal indicating and voltage displaying., [2]. Product Name : mini & light weight digital voltage tester ; Input Voltage: AC 24 to 500 Voltage., [3]. The meter can only use to measure 50-60Hz AC city electricity, it will be destroyed when use to measure square wave, output of inverter and correction sine wave.