QR Sticker For Door Bell safety

Description: Attached is this QR sticker near your main door of the house, anyone who comes to your door scans your QR code and after the scan, he will connect you on a video chat or audio chat with you. This QR sticker doesn't need any wire, installation, or electricity and the one thing about this sticker is that you can use it in your house as well as in your office.

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Tuffclassified
- https://tuffclassified.com/