Moreover, all tracks can be changed, by connecting the device to the USB port. For the user, it's just an external drive, the same as a flash drive. MP3 audio file format.
For ease of installation, the connection to the horn is made through the connector. The connection diagram is shown here.
PK5 Programmable Horn – very easy to use. Moreover, it has a stylish appearance. This is a great gadget for your comfort..