Power source:12VAC 50/60HZ Working voltage: AC230V in Europe;AC120V in Americas Pressure adjustment scope: 5-99mbar Working power consumption: 25W Standby power consumption: 5W The registered noise level less than 38dB Sort of stop valve function:magnetic stop valve The current capessure:23L/min Specification:L11+*W6.3+*H3.7+ 10,3.6KG,L11+*W6.3+*H3.7+