Understanding How Microchips Work
Last updated: September 2, 2026
A pet microchip is a small ID chip, roughly the size of a grain of rice, that a vet or a shelter can scan in order to look up your contact details. It has no GPS and cannot track your pet, which is why a collar and tag still matter. Sign in to manage your microchip registration.
Microchip Size
Adopterluv microchips are about the size of a grain of rice, measuring 0.3 in x 0.05. It's safely implanted under your pet's skin and stays there for life. The procedure is quick, safe, and similar to a routine vaccine!
What Microchip Registration Means for Lost Pets
Registration gives your pet the best chance of making it home if they go missing. When a veterinarian or shelter scans your pet's chip, they'll be able to pull up your contact information, but only if the chip is registered. See how to register your pet's microchip.
While no system can guarantee a return, a registered microchip is one of the most effective tools for reuniting lost pets with their people. Just make sure your contact info stays up to date in your account.
Microchips vs. GPS Tracking
Microchips do not have GPS or tracking capabilities. They're tiny ID chips that store a unique number, which can be read by a scanner. That number connects to your contact info through a registry like Adopterluv.
Why You Should Still Use a Collar and Tag
Microchips provide permanent identification, but collars and tags play a crucial role in getting your pet home quickly. If someone finds your pet and doesn't have access to a microchip scanner, a visible tag with your contact information makes it easy for them to contact you directly. What microchips do (and don't do) covers the rest of the common misconceptions.