tropical inverter technology fast cooling. Long airflow/auto vane control up and down/left and right. Dual barrier coating. Microparticle catching .filter(standard) and high density quiet operation. Capacity -1 ton. Star rating-5 star, inverter. Function type -split. Refrigerant-r32. Power supply-single phase 230v, 50hz. Capicity-3.7 (kw).