This unit provides two fully independent, continuously variable DC outputs, 0 to 5V each through a pair of color-coded 4mm sockets, for the ripple tank motor and stroboscope motor respectively, along with a fixed AC output through a pair of 4mm sockets, rated at 12V, 21W to operate the illuminant. The motor outputs are short circuit protected and the input to complete unit is fuse protection. Supplied with a detachable 1.5m mains lead.