Save 33% off the regular cost of a chip and the chip registration! These microchip packages are stamped PREPAID and come to you with a PREPAID registration card for each chip. They can be registered online, by mail, by phone or by fax at no additional cost. High quality ISO 134.2 kHz mini microchip, 1/3 smaller chip and needle than previous kinds. Readable with all universal scanners and most Avid scanners.