... USA plug 12V 1A AC/DC power adapter with CE FCC ROHS : ModelXYYY-002AXYYY-002AXYYY-002AOutputDC output voltage9V12V24VOutput voltage tolerance± ... voltage setting error, voltage regulation factor and current adjust rate Suggested application : digital cameral,video game player or small power ... : to make sure every unit with power, no high voltage, no low voltage, no bad led indicator, low ripple ...