The TCL CoolPro Ecoin KEI-S Full DC Inverter is engineered for energy efficiency, durability, and comfort. Powered by T-AI Technology, it delivers up to 37% more savings compared to standard inverters and up to 80% savings versus non-inverter ACs, while ensuring ultra-high cooling performance with 30-second fast cooling. Built to last, it features Golden Titanium Fins, corrosion-proof copper U-bends, and a high-stability DC PCB with double-sided conformal protection. For comfort, it offers 27dB quiet operation, Gentle Breeze mode, and 4-way airflow for even cooling. Maintenance is simple with self-cleaning IDU & ODU, a filter cleaning reminder, and 4 Easys design for easy installation, maintenance, cleaning, and assembly.