1. Wide ApplicationThis temperature controller is designed to control the temperature of various appliances such as refrigerators, freezers, display cases, solidification equipment, and drink coolers. It has a wide range of applications in different settings. 2. Temperature RegulationFeaturing both circumference and difference temperature control, this thermostat allows for significant adjustments. The adjustable temperature range of 3°C to 20°C provides precise temperature regulation for cooling performance. 3. CompatibilityDesigned as a replacement for damaged thermostats, this controller offers compatibility. As long as the shape and size match, it can be used with a variety of different product brands. This makes it a suitable option for different appliances. 4. Reliable PerformanceModel WDF18L operates effectively with a power supply of 110V250V. It is equipped with a 70 cm (5 inches) long probe for accurate temperature sensing. The 3pin connections ensure secure and stable connectivity.