Selected electronic components, solid workmanship resistant to aging, stable operation during long-term continuous use without failure, and longer service life. Equipped with an intelligent temperature control chip, high temperature control accuracy, minimal indoor temperature fluctuations, providing a comfortable and even heating and cooling experience. Optimized electronic control algorithm precisely regulates compressor operation, effectively reducing overall machine power consumption, making daily use more energy-efficient. Comes with a self-diagnosis function, clear display of fault codes, quickly locating problems, saving time and effort in inspection and maintenance. Scientific and reasonable circuit layout, equipped with overvoltage, overload, and lightning protection, multiple safeguards ensure safe usage., Manufacturer: cq1120