1.The Multifunctional Inverter Refrigerator Detector features a built-in compressor short circuit buzzer and other fault buzzers 2. This Refrigerator Detector supports comprehensive testing modes, including single-wire, two-wire, and three-wire configurations 3. This device serves as both an Inverter Compressor Detector and an Inverter Compressor Tester 4. With its adjustable frequency settings, this Refrigerator Detector is adaptable to different inverter refrigerator compressors 5. Stay informed with real-time voltage and current readings on this Refrigerant Detector, Manufacturer: YXZKJZJ