... 2>Approved:CQC,S,CE,UL 3>Application:home electrical appliances, communication instrumen Low voltage transformer1) Input: AC 110-120V 50-60HZ2) ... EI-57,EI-66,EI-76,EI-86,EI-964) Low losses and competitive prices5) Approved by CQC, UL6) ... In accordance with ISO9001:2000 requirement7) Application : home electrical appliances, communication instruments , medical apparatus, power tools , massage ...