... ,ROHS USA plug 12V 1A AC/DC power adapter with CE FCC ROHS : ModelXYYY-002AXYYY-002AXYYY-002AOutputDC output voltage9V12V24VOutput voltage ... to make sure every unit with power ,without low voltage, without bad led indicator, low ripple, good appearance, with right cables, etc 4 ... no high voltage, no low voltage, no bad led indicator, low ripple, with right cables , no bad ultrasonic bonding, etc 6. ...