Features Wide voltage range: Measure voltages from 50V to 500V, providing versatile usage for various electrical systems. High current measurement: Capable of measuring currents up to 100A, ensuring accurate monitoring of power consumption. Frequency measurement: Accurately measure frequencies from 0Hz to 99Hz, allowing for precise analysis of electrical signals. High accuracy: The meter maintains an error margin of only +-2%, ensuring reliable and precise readings. Wide temperature range: Operates seamlessly in temperatures ranging from 0°C to 50°C, ensuring consistent performance in various environments. Specification: Voltage:50~500V Current:0~100A Frequency:0~99Hz Environmental Temperature:0~50℃ Weight:50g/1.76oz Color:White/Red/Yellow/Green/Blue(Optional) Package List: 1 x 3 in 1 Indication Light Package List