Route two guitars to two amps. Then select either guitar with the click of a switch or use any combination of both amps. True bypass circuitry, one 9V battery or optional 9V adapter required for LED indication only. Cold-rolled steel housing, quick clip battery door and two-year warranty. Features include: · Route two guitars to two amplifiers · Select either guitar with the click of a switch · Use any combination of both amplifiers · True Bypass Circuitry · LEDs show you which guitars and amps are on/off · Powers from 9V battery (for LEDs) or optional Morley 9V Adapter · Cold-rolled steel housing, LED indication, quick clip battery door and two-year warranty