Senville SENA-18MO-209 18000 BTU Dual Zone Split Air Conditioner and Heat Pump, Mini DC Inverter Technology for Ultra High Efficiency and Performance High Quality Design for an Attractive Appearance, Powerful Performance,and Dependable Durability Uses 208-230V, ETL Intertek Approved, Energy Star Certified, AHRI Certified Includes Easy Installation Kit with 16 Ft. Copper Line Set Whisper Technology for Quiet Operation, Great for Bedrooms, Additions,Living Rooms and Commercial Applications. Vertical Swing Function