Red Dingo QR Collar Tag, Skull/Crossbones, Large, Black QR Code / "Digital ID" on the tag An aluminum tag with a smartphone scan able code on the back, uses the latest in pet protection Powered by PetHub.com; links to a free subscription for data storage, and can be upgraded to their other subscriptions An excellent substitution and/or addition to microchip Means a safe and fast return home for a lost pet