This pedal will allow you to select between two input signals (A or B in), then route your selection to a loop (non switchable), and then it will allow you to select which output you'd prefer (A or B out). Features: - Blue and Red LEDs to easily differentiate which one is ON- Switch between two guitars, two basses, two effects, etc with ZERO bleed over (unused output will be muted) Then route it to your A or B output.- Pedal is reversible so you can use the IN as the OUT and vice e versa- Nickel Plated jacks are strategically positioned to diminish cable tangling and ensure max conductivity- 9v 2.1mm Boss type connector is only needed for LEDs, unit is 100% passive- No transformers, No electronics, 100% true bypassComponents:- "PREMIUM CHK Electronics" switches for better tone, and durability- Military Spec Wiring- Silver Soldering For Max Signal Flow- Die Cast Aluminum Enclosure- Chrome LED Bezels- Powder coated paint for great looks and max durabilityDimensions:4.51 X 2.52 x 1.02 (inch)115 x 64 x 26 (mm)1 year warranty!We ship worldwide!