Just plug this device into a MIDI-connector of a mounted unit of your rack (OUT or THRU) - and the LED will light up and helps you when you need to look into the backside of a rack on dark stages, studios etc.
Features
- Illuminates Inside of a Stage Rack
- Illuminates Sheet Music at a Keyboard
- Powered by Any Out/thru Midi Port
- 1x DIN 5-pin Midi Output Connector