Alarm School

Сигнализация со звуком, музыкой в ​​школе, фабрике и других

Alarm School is a timer with alarm sound for music and music-timer warning voice that we want and that can be determined. Moments that will remind you with sound. Such systems are used to tell the class hour shift each day. Or at lunch time to time attendance time attendance at school or at work, in schools, factories and more.