The Nektar NX-P includes a 6' cable with a 1/4" TRS jack plug, is a solid, rugged, universal expression pedal designed for studio and stage. With a polarity switch that ensures compatibility with almost any keyboard or electronic product requiring a foot switch or expression pedal. 
Nektar Technology NXP Specs
 
Pedals
Rocker pedal
Controls
Sensitivity pot
Polarity switch
Connectors
1/4" / 6.3 mm TRS
Dimensions
Not specified by manufacturer
Weight
0.7 lb / 0.3 kg
 
 
Package Weight
1.13 lb
Box Dimensions (LxWxH)
11.9 x 3.35 x 2.3"