... : 15W 5v 9v 12v 24V switching ac/dc power adapters AC input voltage rangeOutput voltageOutput currentRated output powerEfficiencyRipple / Noise100 ... , etc3. Assembly full inspection: to make sure every unit with power ,without low voltage, without bad led indicator, low ... , no low voltage, no bad led indicator, low ripple, with right cables , no bad ultrasonic bonding, etc6. Visual full ...