What's in the box:

Piano Sustain Pedal Keyboard Damper Pedal 6.35mm Plug MIDI Keyboards Digital Pianos (Standard)

Features:
Classic-style sustain pedal for electronic organ, MIDI keyboard, digital piano, etc.
High-quality alloy foot pedal, durable and anti-rust, stable to use.
1.65m/ 5.4ft cable keeps your pedal where you want, and with 6.35mm(1/4 inch) right angle plug.
Anti-slip rubber pad can prevent movement of the sustain pedal during use.
With polarity switch to convert positive and negative current easily.

Specifications:
Main Material: Plastic + stainless steel
Dimension: 26 * 6.5 * 6cm / 10.24 * 2.56 * 2.36in
Cable Length: About 165cm / 5.4ft
Package Size: 29 * 8.6 * 6.8cm / 11.42 * 3.39 * 2.68in
Package Weight: 702g / 24.76oz

Packing List:
1 * Sustain Pedal with Cable