Precise temperature control and freshness: The compressor relay intelligently adjusts the refrigeration frequency to keep the refrigerator temperature stable and uniform. Energy efficient operation: By optimizing the startstop cycle, it effectively reduces power consumption and minimizes energy waste. Quiet and smooth operation: The smooth startstop design reduces noise and vibration during compressor operation. Circuit safety and protection: Builtin overload protection prevents abnormal current from damaging other components. Key features and benefits Function and performance: Maintains stable cooling, reduces energy usage, minimizes noise, and provides overload protection for safer operation. Compatibility: Designed for use with standard refrigeration systems that rely on a compressor relay. Safety and reliability: Builtin overload protection enhances circuit safety and protects adjacent components. Use scenarios Home refrigerators or freezers: Keeps food and beverages at a consistent temperature to preserve freshness. Small commercial display coolers: Ensures uniform cooling and reduces energy costs for shops, cafes, or convenience stores. Quiet cooling in offices or clinics: Delivers reliable performance with reduced noise and vibration, suitable for environments where quiet operation matters.