From Cast Engineering:The Casper brings you classic analog delay tones in a compact, digital pedal. Simple and to the point yet extremely dynamic and versatile. Designed to please any delay fan out there, tonally and visually. Our analog signal path flows through a custom tuned echo processor with a wide variety of sounds, from quirky trash can type tones to classic slap back to dreamy soundscapes. Topped off with our unique “Ghost Lit” control knobs. Guaranteed to become a pedalboard favorite! Specs: 700 MS of Delay Time Bypass Switch - true bypass of signal Repeats - adjusts the amount of repeated signal Delay - adjusts time of delay signal Level - adjusts volume of delayed signal Internal Trim Pot - adjusts feedback circuit controlling the self oscillation from none to over the top crazy! Ghost Lit Knobs 9V Battery or standard negative tip power supply Top Quality Components Designed and Hand Built in Atlanta, GA LIFETIME WARRANTY