The ABTMP3 Bell Timer/USB MP3 Music Player incorporates a school bell and a USB MP3 Audio Player controlled by a digital 4 channel 24hr/7-day timer. 

The timers can be set from 1 second up to 24hrs. 

This product is primarily aimed at the school market.

The unit provides the ability to play an MP3 music track for a set period as a pre-bell time followed by a standard school bell.

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