Lovepedal Hermida Unimos Ruby, e-guitar effect pedal, Overdrive, controls for: Level, Drive, Tone and Accent, True Bypass, status LED, power consumption: 20 mA, no battery operation possible, 9/18V DC power supply is needed, power supply is not included, dimensions (h x e x d): 2,7 x 6 x 11,1 cm