[Animal training]: The pet training bell can be used as a communication voice for a dog. Let the dog clean up. The dog no longer needs to scratch the door to be released, which can prevent the dog to scratch the door and carry it. [High Quality]: The pet metal bell is made of manganese steel metal material, which is sturdy and durable, and the sound is crisp. Even if your dog is large, it is not easy to break it, and it can be used for a long time without damage. [Classic design]: The pet doorbell adopts classic design, with retro-style beauty, and the simple and practical doorbell is a very beautiful door decoration. [Multifunction]: Metal bell with retro atmosphere and crisp ringtones, suitable for potty training for dogs or cats, snacks and a break-in aid. It is also very suitable as a service bell for bars, hotels, shops, restaurants, etc. [Specifications]: The metal pet bell weighs 46g, the doorbell size is 40 x 35mm, the bracket is 180mm long, and 2 screws are provided.