1.Automatic detection of water level and Automatic Temperature Detection 2.Automatic protection control pumping safety Name: Outdoor SPAModel: S54HUGLD116Feature:tandard CharacteristicsChrome-plated massage nozzles18Massage pumps2, ×2HPPolished rotating nozzles12Airpump1, ×700wChrome-plated air nozzles8Circulating water pump1, ×0.5HPAirconditioner3Thermostat1, ×3kwPillow45'Plastic LED underwater ...