Electro-Harmonix Small Clone Analog Chorus PedalThe EHX Small Clone Chorus is a reissue of the classic analog chorus pedal popularized by Kurt Cobain. Depth and Rate controls create the finest sounds, from clear, rich and dimensional to warm pulsating warbles. True bypass 9V battery included SPECIFICATIONS Circuit: Analog Bypass: True Bypass Audio: Mono Power Supply: 9V battery included (optional 9. 6VDC 200mA power adapter not included) Dimensions (in): 5. 25 x 3. 38 x 2. 75 Current Draw 12mA