Walrus Audio Julianna Chorus, Effects Pedal, Chorus / Vibrato, Stereo version of the Julia Chorus Pedal, Operating modes: stereo, mono-stereo, mono, From subtle chorus to ""seasick"" vibrato sounds, Controls: Rate, Depth, Lag, d-c-v, Switches: Wave Shape, Division, Tap, Bypass, Digital tap tempo control, Stereo output: 100% effects, Mono output: proportionally adjustable via d-c-v ""Lag"" control determines the basic character of the chorus sound (mild to detune), ""d-c-v"" controls the proportion between ""dry"" and ""FX signal"" (mono output), Connection for external clock (tap in) or expression pedal (controls rate and / or depth), ""Secondary Momentary LFO Rate"" for temporary ""ramp-up"" or ""ramp-down"" sounds, ""Drift"" function modulates the set LFO rate, Selectable waveforms: sine, square and random generator, Bypass with soft switch relay, Smart bypass circuit activates the effect only temporarily (""momentary"") if desired, Power supply via 9 V DC power supply (not included), Current consumption: 30 mA, Made in the USA@+*Note:* Battery operation is not supported.