Specification :

BS-156 is a microcontroller-based electronics equipment, so it has interesting features, among others:

* Sounds the alarm automatically in accordance with the needs or in accordance with a schedule setting that has been inserted into the BS-156.
* Digital clock and calendar with information on the LCD display.
* If the input electrical power to die, do not need to be setup again because it already has baterry which can survive up to 10 years so it can reduce overall electrical consumption.
* Operation of interactive tools and easy.
* Low power consumption.
* Standard bell Music Music can be as many as 25 pieces selected at random.
* Able to operate for 24 hours.
* Election day time schedule as much as 15 choices of time.
* Processor uses microcontroller technology, so the ability and facilities therein can be updated ( updated) in the future.

* ) Required distributor of automatic school bell ( BS156) for the whole Indonesian region