Animal microchips are compliant with ISO11784 ISO11785 FDX-B international standard, chip scanners and chip readers are able to read the 15 unique ID numbers of our 134.2Khz operating frequency chips.ICAR certified, reliable and assured quality. Please choose the right size for your pet or animal,1.4X8mm microchip for dogs cats,puppies,chickens,ducks, owls,2.12X12mm microchip for large dogs,horses,cows,sheep,pigs,camels and other large animals,1.25X7mm size for small fish,mice,hamsters,snakes,frogs,pigeons and other very small animals.Anti-shedding device ensures that the built-in electronic tag will not fall off before implantation. Comfortable to hold Ergonomic, 1.25mm 1.4mm 2.14mm tiny needles, healthier hand fighting, simple, safe and convenient operation.Benefits of pet microchip implantation, provides a unique identification code for pets, can be used as a pet's ID card for life. After implanting the chip, it can quickly and accurately identify the confirmation, after the pet is lost, it can be confirmed in a timely manner, it can be convenient to query the pet's previous epidemic prevention, disease conditions, you can take targeted measures, etc.Wide range of applications, suitable for most pets, livestock, fish, wildlife and so on. All-round management of animal growth, can be used for pet identification, identification of pigeons and racehorses Laboratory animal identification