The function of Pet Pendant is mainly used for walking the dog at night, hanging on the neck of the pet's forehead. We can loosen the traction rope and let the pet go out. When you want to go home, you see where the pet's glowing pendant knows where the pet is, not looking for it everywhere. It's very convenient. Our Pet Pendant can be used on all kinds of pets. They are very practical, and it is also very convenient to change batteries.