This 9000 BTU ductless mini split AC and heater system is designed for spaces up to 550 square feet, featuring a 19 SEER2 inverter for energy efficiency. The unit operates on 115V and includes built-in WiFi for smart home integration, allowing control via smartphone app or voice commands. The system offers five tailored modes including precision cooling, comfort heating, dehumidifying, gentle airflow, and auto temperature control. Rapid cooling technology provides immediate relief on hot days, while the heating mode keeps you cozy even in harsh -20°C conditions with automatic defrosting. The wall-mounted indoor unit operates whisper-quiet, making it ideal for restful nights and productive days. The backlit remote and app let you set timers and adjust settings with ease. The 24-hour timer and smart sleep mode let you customize comfort around your routine. Self-cleaning technology, washable filters, refrigerant leak detection, and a fire-proof electrical box provide reliability and safety. The included installation kit includes an indoor unit, outdoor unit, line set, drain hose, communication cables, and manual. Professional installation is recommended.