The TCL Obsidian Black Full DC Inverter Split Type uses R-32 refrigerant and features Full DC Inverter technology with AI-optimized control for fast cooling, stable temperature, and reduced energy consumption, earning a 5-Star CSPF rating. It operates quietly at around 30 dB with Sleep and Quiet modes, offers gentle breeze airflow, and comes with multi-stage air filtration, and a self-cleaning function. Available in 1.0 HP to 2.5 HP capacities.