This listing is for a Rock-ola Model 2130 Microphone Kit less the microphone.  I'm sure any good microphone can be used, those I have seen were common looking Motorola mikes of the type used with CB radios about 1970.

None of these parts have been cleaned or tested. 
I had a second volume box missing the knob and it is also included.  

I have scanned the installation instructions and you can view them after the last photos.
A paper copy of these instructions is also included in the shipment.