This QR sticker for door safety will be posted on your wall near the doorbell. Someone who comes to your door will scan the QR code and automatically the video chat or audio chat will start and they will be able to communicate with you. This QR sticker for door safety requires no electricity, and no wires, so that is why you can easily use this sticker in your homes and office as well. To know more visit our website https://www.nekinsan.com/
QR Sticker For Door Bell safety
