This product is a power detection system integrating power control, signal acquisition and status indication. It incorporates an air switch, AC contactor and high-precision power detection module inside the cabinet, enabling real-time collection and transmission of electrical parameters of the tested equipment (such as refrigerators, washing machines, etc.). The shell is equipped with three-color indicator lights, clearly showing various working states including standby, operation and fault. It supports wired and wireless communication methods, and is matched with professional upper computer software to provide users with a complete power detection solution.