AC50A, it is a multifunctional dual range AC voltage detector suitable for electrical professionals and DIY enthusiasts. The built-in LED flashlight provides a clear view even in dark environments. The AC50A is equipped with a color screen that clearly displays key information. It provides three alarm modes: screen display, LED indicator and sound warning. Its adjustable sensitivity and frequency detection function make it perform well in various electrical tasks. The AC50A also has the function of neutral and live wire identification, and includes breakpoint detection to help you easily locate the problem. Dual voltage range (12~1000V / 48~1000V) and rugged housing. It can withstand a fall of up to 2 meters, which is both rugged and reliable. The AC50A will automatically shut down after 5 minutes of no operation to save battery use. It also complies with safety standards such as EN61010-1, EN61010-2-033 and CAT III 1000V.