This is a wonderful condition and great sounding Rucci Electronics Maximal Drone! This is a really fun drone pedal. Here's the spec from Rucci Electronics website! Has velcro on the bottom!
This is a maximal drone synthesizer capable of dense sounds and thick chords. Six oscillators modulate against each other. Each selectable as either full range, off, or low range. There is also a filter and volume. A CV input allows you to power the device with control voltages from 0-5V for interesting automated power sag results.
The case is extremely tough die-cast aluminum painted with a durable textured black finish. The mono 1/4″ audio output is easy to connect to amps, effects or recording equipment. This was designed and hand-built in Oakland, California.
Audio Out: 1/4″ mono
CV Input: 1/8″ mono (0-5V)
Power: 9V Battery (included) or 9V DC Center-Negative (not included)