This is synthesizer produced by German music company Vermona throughout the 1980's. It is a 2-VCO monophonic analog synthesizer. It has most basic analog edit parameters. A 24 dB/oct analog VCF filter with 4 knobs ,a single LFO to modulate the VCO or VCF sections and a typical ADSR VCA envelope. There are preset VCF and VCA settings as well as a Manual mode. Also absent are MIDI and CV or Gate. Look for photo and info: http://www.vermona.de/synthesizer.htm Buyer pay shipping.