Key technical specifications for TCL Split System Window Air Conditioners (Inverter): Compressor Type: High-efficiency Rotary compressor with Inverter technology for electricity saving. Cooling Capacity: Available in different capacities, most notably 18,000 BTU (1.5 Ton) and 20,000 to 24,000 BTU. Golden Fins Technology: Excellent durability and high resistance to rust and corrosion, extending the lifespan. Remote Control: Equipped with a remote control for full control, with some models supporting Wi-Fi. Refrigerant Gas: Uses environmentally friendly R410A gas. Quiet Operation: Advanced design to reduce noise levels during operation. Air Distribution: Strong airflow in two or more directions for fast and efficient cooling.