Preset Storage:
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5 memory banks - LED colour = red, blue, green, yellow, magenta
Sequence mode = 255 steps maximum
Wave mode = 255 beats - recorded at 60bpm - 4m15s 

Control Voltage:

Output - 0 to +5V 
Input - 0 to +5V

Trigger / BPM / Tempo Sync:

Input + Output - Selectable to S-trig or V-trig.

Tap Tempo & Sync Input Subdivision:

Divide the tap tempo or sync clock anywhere between 1 to 8 times.

Digital/Analog Isolation:

All effects are voltage controlled with optical isolation.
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Requirements:

+9V DC Centre Negative - 100mA.
Later models accept both polarities.