1.150W HPS digital electronic ballast dimmable 2. wide voltage range: AC 95~265V ... /RS232/RS485/TTL 4.CE,UL,FCC,CUL 150W HPS digital electronic ballast CE,UL,FCC,CULModelHPS-150W-DLighting Source Type150WInput ... low voltage circumstances·High efficiency >94%,remarkable effect of saving energy·High power factor, able to reduce initial installation cost·Able ...