Roland EV-5 Expression Pedal

They say:

The EV-5 Expression Pedal is designed for use with keyboards, synths, or other Expression-compatible instruments and devices, providing a more dynamic performance. You can set the minimum volume to the level of your choice, thereby determining the maximum effect of the pedal.

Cable length: 2m (TRS 1/4” plug)

Controls:  Main Volume Pedal, Minimum Volume Knob

Size and Weight:

Width- 86 mm, 3-7/16 inches

Depth- 200 mm, 7-7/8 inches

Height- 54 mm, 2-3/16 inches

Weight- 400g, 0 lbs. 15 oz.