PETLIBRO Upgraded RFID Collar Tag for One RFID Feeder

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This guide covers the petlibro rfid collar tag listing. The PETLIBRO upgraded RFID collar tag is a small plastic tag that the listing pairs with two PETLIBRO devices: the RFID automatic cat feeder PLAF301 and the cat water fountain PLWF305. The listing describes it as a lightweight collar sensor with a snap-release design, and it is aimed at homes where more than one pet eats from an automatic feeder. This guide sets out what the listing says the tag does, how the pairing works, and what the listing leaves out.

Quick answer

• The listing says the tag is compatible only with the PLAF301 feeder and the PLWF305 fountain.
• Each RFID feeder pairs with one tag, and one tag can be paired with one fountain and one feeder at the same time.
• The listing gives a snap-release force of 6.6 lb and a tag weight of 0.18 oz.
• The listing says the tag does not support microchips, so it does not replace a microchip.

What the listing describes

The listing title names the product as an upgraded RFID collar tag for one RFID automatic cat feeder, and it names the two compatible devices in the title. The specification table gives the brand as PETLIBRO and the material as plastic. The target species field lists cats, dogs and small animals, and the recommended use field says multiple pets. The special feature field says lightweight. The colour is brown.

The listing offers two options: a single RFID collar tag and a medium pack of two. The listing does not say which size range each option covers, so the buyer should read the option label closely before ordering. The page read for this guide does not give a neck-size range for either option.

The description area repeats the idea that each pet gets its own feeder through the tag pairing. That wording is about access to a feeder, not about the health of the pet, and this guide does not go further than that.

How the pairing works

The tag is built around the RFID feeder. The listing says the tag makes sure each pet in a multi-pet household has access to its own exclusive feeder, and that all of this is managed in one app. For a home with several cats, this is the main reason to buy the tag, because the tag is what links each pet to its feeder.

The pairing rule is strict. The listing says each RFID automatic cat feeder is paired with only one collar tag, and that one tag can be paired with one fountain and one feeder at the same time. If the home has several devices of the same kind, the listing says to use a separate tag for each. A household with two feeders and two cats, for example, would need two tags and would have to pair each tag with the matching feeder.

The listing also says the tag is only compatible with the PLAF301 feeder and the PLWF305 fountain. A tag bought for one of these devices will not work with an unrelated feeder from another brand, so buyers should check the model number on the device before ordering.

Fit and comfort

The listing gives the tag a snap-release design that releases under a force of 6.6 lb. The tag weighs 0.18 oz, and the listing calls it lightweight and compact. It also describes a no-cinch adjustment system that holds the fit in place and prevents accidental tightening.

The listing says each PLAF301 feeder comes with one collar and each PLWF305 fountain comes with two, so buyers only need to buy extra tags when they have more pets or need a replacement. The listing does not give a neck-size range, so the owner should measure the cat’s neck and check the fit by hand. Keep a finger’s width of space under the collar, and check the collar each day during the first week.

Identification and the QR code

The listing says the tag has a QR code that can carry contact information, which makes it easier for a finder to return a lost cat. This is an identification feature. The listing is clear that it does not support microchips, so the tag is not a microchip and does not replace one.

Humane World for Animals says that a cat should wear a collar with identification and be microchipped. The ASPCA says that if a cat is allowed outdoors, it must wear a safety collar and an ID tag, and that an ID tag or an implanted microchip can help ensure a lost cat is returned. American Humane says to tag a cat even if it never goes outside. For a cat that goes out, American Humane advises a specially made safety collar with a short piece of elastic sewn in it. The PETLIBRO listing describes a snap-release design, not an elastic panel, so an owner should not assume the two are the same. The release force on the listing is a number to check by hand, not a promise about how the collar will behave on a branch.

What we could not verify

The listing does not give a neck-size range, a battery life, a range distance for the RFID reading, or the durability of the tag under daily wear and washing. It does not say what the QR code can hold or whether the tag can be replaced on its own if it is lost. It also does not say how the tag behaves with a fountain in every setting, so the buyer should check the app instructions.

The release force of 6.6 lb is the listing’s own figure, and this guide has not tested it. The listing also gives no information on how the tag holds up if a cat pulls on a fence or branch, so the owner should treat the snap release as a design feature to check, not a guarantee.

How we chose this listing

This guide covers one listing: the PETLIBRO upgraded RFID collar tag, read on 2026-10-28. It was chosen because it is the tag that pairs with the PETLIBRO RFID feeder and fountain, and because a multi-cat owner can use the pairing rule to plan how many tags to buy. The facts come from the listing’s title, bullets, description and specification table, plus the non-retail sources at the end. The guide does not rank the tag against other collar tags, and it does not state a price or a review.

Who this suits

The tag suits an owner who already has the PLAF301 feeder or the PLWF305 fountain, and who has more than one cat that needs its own feeder. It also suits a household that wants a lightweight tag with a snap release and a QR code on it. It does not suit an owner who needs a microchip, who has a feeder from another brand, or who needs a neck-size range before buying.

Related guides

For the feeder itself, read the best automatic cat feeder guide, which covers automatic feeding in general. For wet food and feeders that handle it, see the cat feeder for wet food guide. Both guides cover feeders in general, and neither one covers the RFID tag listed here.

FAQ

Does this tag work with any feeder?

No. The listing says the tag is compatible only with the PETLIBRO RFID Automatic Cat Feeder PLAF301 and the PETLIBRO Cat Water Fountain PLWF305. Check the model number before ordering.

Can one tag be used on two cats?

The listing says each feeder is paired with one tag, and that a tag pairs with one fountain and one feeder at a time. For more than one feeder, the listing says to use a separate tag for each device.

Is the tag a microchip?

No. The listing says it does not support microchips. It has a QR code for contact details, and it is a collar tag, not an implant.

What is the release force?

The listing gives a snap-release force of 6.6 lb. It does not describe how the release is tested, so check the release by hand before the cat wears it outdoors.

Sources

• Humane World for Animals, Outdoor Cats FAQ: a cat should wear a collar with identification and be microchipped.
• American Humane, Identification Tags and Microchips: a cat should be tagged even if it never goes outside, and a safety collar with a short piece of elastic is advised for cats.
• ASPCA, General Cat Care: a cat allowed outdoors must wear a safety collar and an ID tag, and an ID tag or microchip can help a lost cat get returned.