RGL100 is a light indicator, used to show the "ON AIR" microphones in a broadcasting environment. It fits easily between the microphone holder, and the microphone support. Use of led results in a very long life.
It fits to all microphone stands.
Fitting accessories and 3/8 to 5/8 a daptor allows to move forward the microphone, when the stand and the connectors are too closed such as SM7.