Quilter UFC-3, 3-Way Switchable Footswitch, Each of the three buttons has a 6-way selector that enables access to the 6 switchable functions (channel switching, boost, limiter, tremolo, reverb, or fx loop) to Micropro- or Steelaire amplifiers, Easy extension of the UFC-3 by concatenating a second controller via the back of RJ-45 sockets and a common CAT-5 cable for accessing all 6 functions, Includes 4.6 m (15 Foot) CAT-5 cable