18,000 BTU Single Zone Outdoor Smart Inverter Mini-Split Heat Pump Unit, Volts:208-230, Hertz:60, Phase:1, SEER:20.5, Refrigerant:R-410A, Factory Charge:63.5 Oz, Design Pressure High/Low:450 PSIG/240 PSIG, Connection:3/8" X 5/8" Flare, Cooling BTU:18,200, Heating BTU:22,000, Dims:311/2"H X 363/8"W X 141/8"D, Weight:125 Lbs, In Mfg Box, Made In Korea. for Use With Indoor Model LSN180HSV4 (Not Included)