Features: Brand new and high quality The RC3211HJ controller offer precise temperature control and intelligent regulation, effectively reducing energy consumption while ensuring optimal storage conditions for items in the cold room. Equipped with advance refrigeration technology and high quality component, this controller is stable and reliable system operation, providing peace of mind for users. Suitable for hotels, restaurants, supermarkets, and households, the RC3211HJ controller helps managers improve food storage efficiency and quality, making it an essential tool for professionals in the food industry. Whether used for storing perishable food, medicines, or cosmetics that require low temperature environments, this controller ensures precise temperature control, making it a valuable asset for cold storage facilities. With its intelligent monitoring system and user friendly interface, the RC3211HJ controller allows users to easily set temperatures, monitor operating status, and receive timely alerts in case of any abnormalities. Specifications: Material:Plastic+Metal Model: RC3211HJ Measurement and control temperature range:-50-110°C Operating environment temperature:-10°C-60°C Operating environment humidity: 90% (no condensation) Resolution 0.1°C Accuracy: 1°C Power: ≤5W Power supply voltage: 220VAC 50/60HZ. Installation dimension: 172x26mm Product size: 178x32x19mm/7x1.26x0.74inches Package Includes: 1x Digital Temperature Controller note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.