SmartTag ISO Microchip Box with Identification Tag for Pets, Standard Universal ISO microchip that can be read by all universal scanners If your pet is lost, a lost pet broadcast alert is sent to all shelter and rescue organizations in a 50-mile radius of the pets last known location Microchip has no internal energy source, its RFID technology, so it will last the life of your pet One-time lifetime registration fee is included with each microchip, no annual fees, no update or transfer fees Includes metal ID tag, onetime use applicator, microchip and 10 labels with each sterile package. (25 per box)