Gree E-Plus Electricity and Refrigerant: 220V-1Ph-60Hz – R32 Inverter. Gree-AI Messaging Technology: Provides smart and convenient control. Automatic Vertical and Horizontal Air Distributor: Ensures even air distribution. Available in all sizes 12,000 18,000 24,000 30,000 36,000 Cool and Hot/Cool Gree E-Max Comes with golden fins Self-cleaning Wi-Fi Air purification filter In all sizes