Welcome, you are looking at a great piece.
This is the Alesis Midiverb III Digital Multi-Effects Processor.
The Midiverb is a legend, found in the racks of big name guitar players for decades.
This Midiverb features Delay, Chorus, Reverb, and EQ, all fully adjustable.
It is 1u rackmountable, so it will fit into your rack with your other processors.
This is in very good overall condition as you can see in pictures, typical marks from normal use.
Fully tested and works as it should, it even includes the power supply.
This is your chance to pick up a legendary multi-effects unit.
Don't pass this by!!