18000CMH,3-phase,1-speed, usable for 100-150 square meter, KYS18-S31F (up discharge) ... Current 2.7-4.8A Frequency 50Hz/60Hz Fan Type axial flow Motor Type 3-phrase,1-speed Usable Area 100-150 ... PumpMechanical Water Inlet Valve Electronic Water Inlet Valve Drain ValveSimple Control Box Variable Speed Control Box(inverter inside ) axial evaporative air cooler, 18000CMH