Micro Power Provide stable 9V DC power supply with high performance, each out put maximum current of 300 mA, can meet most of the pedal use requirement . Eight independent out put short circuit protection design, when one circuit output failure, other out put lines still can work independently. 8 LED lights indicating output status in darkness, its unique dull - polished feature can also protect your eyes from spotlights on stage. Very small and exquisite, full metal shell .