HoTone Octa, e-guitar/bass guitar effect pedal, Octaver, controls for: Octave1 and Octave2, Dry control, Dirty control, status LED, True Bypass, power consumption: 53 mA, no battery operation possible, 9V DC power supply is required (center negativ), power supply is not included, suitable power supply: #108096, dimensions (h x w x d): 44 x 44 x 74 mm, weigth: ca. 190 g