In an emergency situation, tagging NFC tags can send messages and location information. Especially, it is useful for 'women' and 'prevention of child mischief'. It can be used for NFC tag, phone number of police station or parents, emergency message (for example, 'Emergency Situation', ' (NFC) address and parent name '※ Contact -> Basics!) In the NFC tag in advance, and if you tag the NFC tag in the emergency situation, the' Emergency message 'and' SMS '. If GPS is turned off during tagging, o