Full 55D DC inverter technology features variable compressor speeds, ensuring efficiency. The system features Cooling, Heating, Dehumidification and Ventilation operating modes. Wireless Digital Remote Controller and user-friendly LED display to allow for ease of use. Sleep Mode, Timer, Auto Restart, Swing for sweeping air flow, Anti-Cold Air prevents cold blasting. Pre-charged with environmentally friendly R410a refrigerant. SPECIFICATIONS: 9000 BTU / 115V Mini Split AC and Heat Pump Capacity: 9000 BTU/Hour Voltage & Current: 115V/60Hz Energy Efficiency: 15 SEER and 9.0hspf Refrigerant: R410/R422 12000 BTU / 115V Mini Split AC and Heat Pump Capacity: 12000 BTU/Hour Voltage & Current: 115V/60Hz Energy Efficiency: 15 SEER and 9.0hspf Refrigerant: R410/R422