Details: Features: Piano-style sustain pedal with a polarity switch Made of durable ABS shell and sturdy chrome plated metal pedal Designed to work & feel like acoustic piano's sustain pedal and enrich pianos tone Universal application, compatible with all electronic keyboard with 1/4" (6.35mm) input jack Column for restricting the height of pedals when being stepped on 4 non-slip rubber mats prevent sliding and keep it in place when used in piano/keyboard performance Perfect for using with electric piano, synthesizer, electronic organ, midi keyboard and digital piano Specifications: Material: ABS shell, Metal pedal Overall Dimension (LxWxH): 9 1/16" x 2 15/16" x 2 3/8" (23 x 7.5 x 6 cm) Jack-plug Size: 1/4" (6.35 mm) Cable Length: 5ft (1.5 m) Package Contents: 1x Sustain Pedal 1x Manual Note: Electric piano and stand in the picture is NOT included. Attention:Ebay MAP:$16.9,Other platform MAP: $17.9.