A microchip is an injection which serves as your Pet's ID. It is a form of chip which is inserted into the subcutaneous region of the pet. It contains a number which helps to identify the pet when put under the scanner.
Benefits
It is required for entering into the dog shows
It is required for international travel
It ensures safety of your pet as it confirms its identity. In case of mix up, a microchip is generally a 15 digit number