Soni group of electronics offers electronics school bell, with alphanumeric display, under its brand-name matrix. The school bell is designed with most reliable microcontroller based technology to get best reliability and maintenance free life. The school bell has unique features that includes like individual time setting from monday to friday, saturday timings, sunday timings, exam timings, weekdays on /off mode etc. A matrix backup ups system attached to the bell provides more than 48 hours backup for` school bell system.
