High quality and safe materials: The pet training clock is made of galvanized iron, which is very sturdy and can withstand pressure and heavy loads. Not prone to rusting or deformation. Quantity and size: The diameter of the clock is 7 centimeters and the height is 4 centimeters. You will receive 1 dog ringtone. Clocks are very suitable for communication devices or interactive toys for cats and dogs. Innovative design: The dog bell is adorned with a cute black paw print, circular to prevent scratching the pet. The company has beautiful colors that attract the attention of cats and dogs, and the communication device with a flat and wide top is easy to use. No installation required, just place the dog ringtone on any flat place. It's easy to teach your little dog or cat to use their claws or nose to press the flat button. Companies can also be used as office call clocks for shops, restaurants, bars, and hotels.