Efficient Cooling and Heating;: 9000 BTU cools/heats 450 sq. ft. with inverter tech. Perfect for any room or seasonSmart WiFi Control;: Adjust settings remotely via smartphone. Stay comfortable anywhereWhisper-Quiet Operation;: Runs at 34 dB with sleep mode. Ensures peaceful, restful nightsAll-Weather Performance;: Works from -13°F to 131°F with auto-defrost. Reliable in any climateVersatile 5-Mode Functionality;: Auto, cool, dry, heat, and fan modes with 24H timer. Fully customizable