If you've ever wondered how a tiny tag on your pet's collar can pull up their entire profile with a single tap, you're not alone. The technology sounds futuristic, but it's beautifully simple. Here's how it works.
What is NFC?
NFC stands for Near-Field Communication — the same technology that lets you tap your phone or card to pay. An NFC pet tag contains a small, passive chip with no battery. It does nothing until a smartphone comes within a couple of centimetres of it.
What happens when someone taps the tag
When a finder holds their phone near your pet's tag, the phone powers the chip wirelessly for a split second. The chip responds with a web link, and the phone opens your pet's profile page automatically — no app to download, no pairing, nothing to install.
- Tap to call: Your phone number is one tap away, so a finder can reach you in seconds.
- Your pet's profile: Name, your contact details, vet information and any medical notes you choose to share.
- Always up to date: Change your number or address and the tag reflects it instantly — no re-engraving.
Why it beats an engraved tag or QR code
Engraved tags are fixed forever — move house or change numbers and they're out of date. QR codes can scratch, fade, or fail in low light. An NFC tap works in the dark, takes no aiming, and the information lives online where you control it.
Setting it up takes about two minutes
Order your Thingness tag, add your details to the profile, and clip it on. That's it. Every modern smartphone can read it — and anyone who finds your pet can help bring them home, even if they've never seen a smart tag before.
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