Automatic School Bell with Voice AnnouncementNo...
Aura Aura

Aura Aura

Security Systems Installer

Mavelikkara, India

StoryPublic 

Automatic School Bell with Voice Announcement
No human activity required once installed.
Bell rings at sharp time.
Voice announcement helps us to unders...

Aura Aura

Aura Aura

Security Systems Installer

Mavelikkara, India

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