Description: Smart anti-lost keychain, compact and portable. Made from zinc alloy and artificial crystal, the round crystal can rotate 360 °. One side is a puppy pattern, the other side is a QR code. When your pets are lost, a stranger can scan the QR code, and it will show the dog owner's message, such as name, contact information, leaving message, money reward and so on. Information can be modified repeatedly. Specification: Material: Artificial crystal + zinc alloy Diameter of Pattern: Approx. 3cm / 1.18inch Outer Circle: Approx. 4.5cm / 1.77inch Flat Circle: Approx. 3.5cm / 1.38inch Package Includes: 1 Piece Pet Tag ring 1 Piece Protective Case 1 Piece User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement
