The 5560M Millennium Mini-Mi™ is a compact tone and voice generator which is completely modular in construction. The 5560M base unit is supplied with or without a 110 candela strobe. The strobe turns on when power is supplied. One of five optional modules may be installed in the base unit.

The 5560M is configured for stand-alone operation when installed with the 556T-M Tone Module Board. One tone may be dipswitch selected from a field of 55 tones and will be played whenever power is applied to the unit. When installed with the 556T-M485 Tone Module Board, any of the available 55 tones can be activated over a RS485 Network.