How do property companies count the number of pets?

Wear anklet, electronic recording method. The number of pets in the community is counted by wearing anklets and electronic records. Whether to charge or not requires the consent of more than two-thirds of all owners. Property companies use anklets and electronic records to count the number of pets. Pets are creatures that people keep for spiritual purposes rather than economic purposes. Pets in real life include fish, reptiles, amphibians, insects and even plants, which are used to watch, accompany and relieve people's mental stress.