Function: Cooling BTU/hr: 18000 Rated Voltage: 230V ~ 50Hz Rated Input Power (W): 1240 Rated Current (A): 5.45 Cooling Capacity (W): 5275 EER: 4.25 Smart Control: Through App Refrigerant Type R-32 Refrigerant Amount (Kg): Version 1715: 0.610 Kg | Version 1721: 0.620 Kg | Version 1722: 0.620 Kg | Version 2521: 0.620 Kg | Version 2522: 0.620 Kg Operating Range (Ambient Temperature): 20˚C to 55˚C Evaporator Fin Type: Louvered Fin Condenser Type: Micro Channel Condenser Condenser Fin Type: Wave Fin Display Type: LCD Operation/Control: Via IR (Infrared Ray) Child Lock: Yes Temperature Unit Change: Yes (16​°C to 31°C) Auto UP-Down Swing: Yes Auto Left-Right Swing: Yes