Multi-Cat Household
For a multi-cat household, put the Receiver Tags (Black Tags) on the MORE AGGRESSIVE cats and the Transmitter Tags (Gray Tags) on the LESS AGGRESSIVE cats that is the target of the aggressive cats.
For a multi-cat household, put the Receiver Tags (Black Tags) on the MORE AGGRESSIVE cats and the Transmitter Tags (Gray Tags) on the LESS AGGRESSIVE cats that is the target of the aggressive cats.