Good design, Good quality, Good price, Spa,Spa Bathtub,Outdoor Spa Spa,Spa Bathtub,Outdoor Spa1. Rated voltage AC220V/240V; Frequency 50Hz Rated voltage AC110V; Frequency 60Hz2.electrical control panel, 2pcs 2HP water pumps, 1pc 0.5HP water pump, 1pc 400W air pump, 1pc 3KW water heater, ozone disinfection, cartridge filter, underwater lamps, function transfer switchs, water recycle filters, water ...