Check the listing for details. Hotone Volume Expression 2 in 1 Guitar Effects Pedal Passive EXP Ampero Press.... Color: Volume, Condition: New. Listed at 91.45 USD. Hotone Volume Expression 2 in 1 Guitar Effects Pedal Passive EXP Ampero Press Guitar Pedal ✓ Free 60 Day Returns ✓ Free Express Shipping Description: Features: Passive Volume /Expression guitar pedal Control 2 functions in 1 PedalHigh Quality Potentiometer ensures Precise Response and Long LifePassive Design - No Power Supply neededIndependent Volume and Expression guitar pedal Output JacksWorks with aWorks with a variety of Instruments and Devices variety of Instruments and Multi effects pedal/guitar pedals Product Details: Brand: HOTONEStyle: Multi-effects,Multi Effects,ExpressionColor: VolumeItem Dimensions LxWxH: 3.19 x 6.3 x 2.01 inchesItem Weight: 430 GramsItem Weight: 15.2 ouncesProduct Dimensions: 3.19 x 6.3 x 2.01 inchesItem model number: SP30Date First Available: June 16, 2021Color Name: VolumeSignal Format: AnalogVoltage: 9 Volts