Independent Three Zone ControlThree zone mini split AC with 9, 000 BTU + 12, 000 BTU+ 12, 000 BTU indoor units allows independent temperature control for two rooms, ideal for bedrooms, living rooms, or home offices; 22 SEER2 Energy Efficient PerformanceHigh-efficiency mini split unit with 22 SEER2 rating has awarded Energy Star certification, it delivers outstanding performance year-round while reducing energy consumption; Smart WiFi App ControlBuilt-in WiFi module lets you control your mini split air conditioner remotely via smartphone, anytime and anywhere, for smarter home comfort; Advanced Outdoor Defrost FunctionDual zone mini split outdoor unit features automatic defrosting to maintain reliable performance in cold weather and extend system lifespan; Quiet Operation with Sleep ModeLow-noise dual zone mini split AC system with sleep mode ensures peaceful nights, ideal for families, light sleepers, and anyone seeking quiet comfort