Fender's ABY pedal with passive switcher enables you to plug a single guitar into two amplifiers, or, plug two guitars into the same amplifier, making it easy and convenient to create a desired rig with flexibility and a variety of tonal options. The Fender ABY switch pedal has "A and B" and "A or B" switching options to allow further versatility within your created rig. The true hardwire bypass in the off position lets players retain their natural tone, without any signal loss or interference. The dimensions are 5" x 3 1/4" x 2", making the Fender ABY easily portable, and the durable metal chassis and switches are built to last and endure on-stage wear and tear. The LED illumination requires a 9V battery or power source.