Morley FX Blender Variable FX Loop Blender Pedal Electro-Optical circuit means no pots to get scratchy! Foot pedal varies Send/Return signal from Dry (Toe-Up - no effect) to Wet (Toe-Down - full effect) Powers from Morley adapter or 9v battery Cold Rolled Steel housing, LED indicator light, easy access battery compartment and two-year no hassle manufacturer's warranty Dimensions: 5.88 W x 2.75 H x 9.13 D in.