LG LWC182NGAZ7 is a smart device that will automatically operate when the room temperature goes beyond the set temperature, maintaining the room temperature within a 2-4℃ range of the set temperature. It has an auto-clean feature to dry the heat exchanger and prevent the growth of mold. It also has a smart diagnosis feature that diagnoses the issues of the product with audible sounds that can be shared with the LG service center over the phone.