【Material & Size】 Made of Nontoxic zinc alloy and treated with epoxy resin to give it a smooth, rust-free and durable surface.Size(diameter): 1.2 inches, weight: 0.3 ounces 【Setup and use】 Scan the tag QR code to activate the tag, Links to free pet profile page, Can enter multiple emergency contact/ upload multiple pet photos/ Home Address/ Medical Info etc of your pet. One account can manage multiple pets. NO APP REQUIRED! 【Personalized pet ID tags】 This is a pet id tag that can be modifiable infomation at any time, when your address and phone number change or as your pet grows older, changes in age and size, you can change it at any time depending on the time and situation. This is a flexible, vivid and distinctive pet ID tag. 【Scan Tag QR Receive Alert Email】 It is not a GPS tracker, but if someone scans the QR code, it will send your pet's GPS location to your email, as well as you can view the scanned location on Google Maps. This premium service is free! QR code pet ID tags are important to ensure the safety of your pet. 【Services】 We are passionate about animals and focused on their comfort and safety.No activation fees, No subscription fees. 24/7 support contact.(Click on "Visit the MYLUCKYTAG Store" above or below the product title to find a more suitable dog tag) QR code smart pet tagDisplay rich pet profiles No need to download an app, just use a web browser. Very easy, edit your pet's profile just a few minutes and start to display. You can upload three photos,enter two main phone numbers. If someone scans tag,You receive email with exact pet location. Use data protection technology to effectively prevent malicious scanning and data collection.QUICK START GUIDESETP1Scan the QR code on the product.SETP2Register an account or login with Facebook or GoogleSETP3Enter the activation code and click the activate buttonSETP4Enter the content your tag