Cherub WTB-005 Damper Sustain Pedal for all Electronic Keyboards & Digital Pianos Classic-style design suitable for all brands keyboard, digital piano and Synthesizer Specially designed rubber bottom grips the floor while you play High-quality chrome foot pedal with expressive half-pedal capabilities Includes 2.0m cable with 1/4-inch jack; 1-year warranty Adjustment: positive and negative polarity switch