Features: *Wide Application: This digital temperature controller is designed for diverse uses, making it perfect for seafood machines, HVAC systems, freezers, air conditioners, fermentation chambers, and more, optimal performance across various environments. *Calibration Function: With a built-in temperature calibration feature, this controller allows users to adjust the temperature settings to meet specific requirements, enhancing its adaptability and precision for different applications. *Good Practicality: Offering selectable cooling or heating modes, this temperature controller maintains environments within a desired temperature range of -50 to 110°C, with a control accuracy of 0.1 degrees Celsius，Output capacity 20A for reliable temperature management. *Safety Features: Equipped with high and low-temperature limit settings and an alarm system, the controller alerts users when temperatures exceed safe levels, providing peace of mind and potential accidents. *Convenient Operation: The automatic cooling and heating functionality of this thermostat switch ensures a consistent temperature is maintained effortlessly, delivering a hassle-free experience for users in managing their temperature-sensitive equipment. Specifications: *Part Name:Temperature Controller *Material:ABS *Size:79*26*43mm *Color:Black Package Content: 2*Temperature Controller Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. [MULTIPLE USES] Designed for machines, HVAC systems, freezers, and more, this digital temperature controller excels in maintaining optimal conditions across different environments. [ADJUSTABLE CALIBRATION] Features a built-in calibration function that enables users to tailor temperature settings precisely to their needs for enhanced application versatility. [EFFICIENT TEMPERATURE MANAGEMENT] Offers selectable heating or cooling modes while maintaining a precise range of 50 to 110°C with an impressive control accuracy of 1 degrees Celsius and a capacity of 20A. [ENHANCED SAFETY MEASURES] With built-in high and low temperature limits and an system, it safeguards against potential hazards by notifying users when safe temperature levels are exceeded. [EASY TO USE] The automatic operation of this thermostat ensures consistent temperature maintenance effortlessly, making it perfect for managing sensitive equipment.