*Professional workmanship, exquisite , novel and style specific design adapts to various scenarios and can be flexibly integrated into various devices; Compatible with multiple inverter compressors, offering strong versatility. Designed specifically for inverter compressor maintenance and refrigerator frequency adjustment, offering lower replacement costs; supports seamless switching between different frequency settings, ensuring smooth and efficient operation; Made with robust materials, it can withstand daily wear and tear and maintains optimal performance even in high-temperature environments; with no release of harmful volatile substances, ensuring safe and stable operation of the equipment. Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use, Manufacturer: Akfldms