Harley Benton Tap Tempo Switch, Tap Tempo Switch, External compact footswitch, For controlling the tempo of delay and modulation effects or any other pedal requiring a 'normally open' switch, Compatible with many standard pedals, 6.3 mm TS standard jack plug, Does not need power supply, Soft-touch switch for easy tap, Button, Dimensions (L x W x H): 94 x 39 x 47 mm, Weight: 112 g