This 12,000 Btu mini split features 21 SEER2 efficiency with inverter technology and R454B refrigerant, saving up to 35% energy. Covers 550 sq ft with a 61-88degree(s)F range. Five modes plus four fan speeds, Sleep, Eco, and I Feel modes. Smart app and voice control with 0.5-24 hour timer. Ultra-quiet at 28 dB. Includes complete installation kit. Professional installation recommended. Ideal for homes, bedrooms, offices, shops, restaurants, and warehouses. Efficient, quiet, and reliable year-round comfort. Enjoy personalized climate control with energy savings and smart convenience. Keep unit upright for 24 hours before installation.