***SOLD*** I purchased to use with a Atomic AmpliFIRE 3. Unit works as it should and includes the power supply. In the manual the word for the switches is called registers and also to simplfy, each switch can store two presets. Universal MIDI controller with 8 footswitches and 4-digit LED display. 6 registers × 32 banks, 2 inputs for expression pedals Each register has 2 layers (red and green). Up to 8 MIDI commands Program Change or Control Change can be programmed to each layer. Each command can be sent on different MIDI channel.