We use Home Again Pet ID microchips and universal scanners. Once registerd your pet will always be in the database. The Home Again system also offers great services such as Lost Pet Specialists available 24/7 to send out alerts in the area your pet is lost, cel phone and email alerts about your lost pet, 24 hr emergency medical hotline, and travel assistance for pets found more than 500 miles from home. Home Again offers more benefits than any other microchip system and their chips are universally detected. Check it out here: link to https://www.homeagain.com/.