Guitar effect Pitch Shifting pedal. 3 FX modes: Harmony - Pitch-shifting with mix of original signal, Pitch Shift - Creates a precise, polyphonic, pitched signal, Detune - Creates a slightly detuned signal, mixed with original signal for chorus-like effects, Pitch range: - 2 to + 2 octaves. Metal housing. True Bypass. Power: optional 9V DC power supply. Dimensions: 93.5 mm (L) × 42 mm (W) × 52 mm (H), Weight: 160 gMade in: ChinaType: HarmonizerTrue Bypass: YesUK/EU Power supply included: NoType: Pitch ShifterType: DetuneControls: PitchControls: Harmony/Pitch Schift/DetuneInputs: MonoOutputs: MonoPower Supply: AdapterPower Supply: 9V