220v ac to 6v dc power adapter 1.CE,FCC,Rohs ... every unit with power ,without low voltage, without bad led indicator, low ripple, good appearance, with right cables, etc4. ... no high voltage, no low voltage, no bad led indicator, etc 5.Finished products full inspection: to make sure ... power, no high voltage, no low voltage, no bad led indicator, low ripple, with right cables , no bad ultrasonic bonding ...