Upgrade your home security with the Nek Insan Smart Wireless Video Doorbell QR Sticker. This wireless, installation-free solution allows visitors to scan the sticker and initiate a video or audio call with you. Ideal for both homes and offices, it works seamlessly with the Nek Insan app or any QR scanner (Paytm, GPay).With real-time video/audio calling, data privacy, and IVR backup fo... https://nekinsan.com/product/saman-suraksha/QR-sticker-For-Door-Bell-safety