The US plug adaptor is one black or white color constant voltage mode, accepts universal input 100-240V AC voltage and provides the complete ac dc adapter solutions covering the output wattages ranging from 5 watts to 60 watts and the output voltage ranging from 5Volt to 48Volt options. The wall plug adaptor follows high quality DOE & CEC level VI energy efficiency and meet UL 62368-1 and UL 1310 safety standard, with UL/cUL Class 2 PSE FCC safety standard certificates. The ac dc adapter is Class II power designed with the standard AC input plugs of US plug and JP plug export for USA, Japan and Canada market and offers 3 years after-sale customer service. The power plug adapter accepts various dc connector sizes optional for various LED, household, Audio/Video and I.T.E applications and protections for short circuit, over load, over voltage and over temperature.