This is EAS security system which stands for electronic article surveillance. It involves the attachment of tags that emit some sort of signal to products and then installing a system to monitor it. the goal is to improve your inventory management and prevent losses due to product misplacement, fraud or theft. mostly used in retail stores and supermarket Features: Prevent theft from stealing something from the store Blows alarm continuously if a particular something is stolen. It also works with hard tags, bottle tags, pins tag, soft label tags, detacher, deactivator etc.