... electrical appliances, communication instruments, medical apparatus, power tools, massage armchairs . Power transformer1. Input : AC 110-120V or ... Model: EI86 434. Approved by CQC ,S ,CE, UL, SGS, RoHS5. High quality and been ... communication instruments, medical apparatus, power tools, massage armchairs and air-condition10. Assembled according to customers¡ specification EI Power transformer