Hello, #18 MTC Split Air Conditioner Cool Actual cooling capacity: 18,000 British Thermal Units (BTU). Inverter technology: Helps significantly reduce electricity consumption while maintaining a quiet and stable performance. Compressor type: High-efficiency GMCC compressor, designed to withstand hot weather. Air distribution: Four-way airflow system to ensure cool air reaches every corner of the room. Energy efficiency class: Class (C). Frequency: 60 Hz. Country of manufacture: China. Device Star Device Star +7 Additional features: Golden Fins: Condensers coated with a golden layer to resist rust and corrosion, extending the device's lifespan. I Feel feature: Measures the ambient temperature near the remote control instead of the indoor unit to precisely adjust the cooling. Turbo cooling function: To reach the desired temperature in record time.