Morley FX Blender, adjustable effects blender pedal, allowing effects in the signal path between the guitar and amp, send level controls to the signal level in effect input set, true tone bypass, clear tone buffer circuit, electro-optical operation, road-proof metal housing of cold rolled steel, for guitar bass keyboards and other instruments, easily accessible battery compartment, operating with 9V battery or optional power supply #155098 (not included), Made in USA.