... :2 years at least 4,MOQ:100PCS/style 220v 12v transformer 7a Certification CCC,UL,SAA,CSA,BEAB,PSE,GS,CE ... l Output power(max) :84Wl Input voltage :90-264VACl Input current(max) :1Al Input frequency ,:47-63Hzl Depletion ( no load) :<0 ... choose the output voltage/current arbitrarily.l Widely used in the electronic digital / communication / security / lighting / medical etc 220v 12v transformer 7a