SWAGGERS Automatic School Bell Management System with industrial siren Multipurpose Timer especially for Schools, factories (Black) Wired Door Chime(1 Tune)
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Based on the latest microcontroller technology. Automatic Bell Timer System is an elegant device, especially designed to ring the Schools/Colleges/Industry Bell automatically. There is no need to assign an individual for ringing the bell, at different times during the day. A user can program various timings of the per
