The ZOYI ZT-QB1 Clamp Meter is a reliable tool for accurate electrical testing. It measures AC/DC voltage, AC current up to 600A, resistance, and frequency with precision. Additional features include non-contact voltage detection (NCV), inrush current measurement, and peak hold for capturing voltage spikes. The device is equipped with True RMS for accurate readings and a flashlight for use in dim environments. With its simple panel and CAT III 600V safety rating, the ZT-QB1 is perfect for professionals, students, and DIY enthusiasts