It is a voice announcement and music system for elevators.
It can play music and announcement files uploaded to SD card in mp3 format.
It does not require any special programming software to be installed on the computer.
To customize it, it is sufficient to copy the music and audio files to the corresponding folders in the SD card.
Gray code is compatible with all elevator controllers with Binary input types.
There are separate volume settings for announcements and music.
It comes with Turkish and English default announcements.