The Classic Switchless Wah Pedal features Morley's world famous Electro-Optical circuitry and switchless design in mini-format. Simply step on pedal to engage Wah and step off to go to bypass. Equipped with our True Tone buffer circuit & custom MQ2 Inductor. Measuring 6.75' x 4.5' W x 2.75' H. Powers from one 9V battery or optional Morley adapter. LED Indication, cold-rolled steel housing & quick clip battery door.