1. Material: The belt of the dog doorbells is made of high quality, tough and strong nylon material. As the dog is very destructive, the quality of the belt is very important and it needs to be durable to prevent cracking.
2. Adjustable length: The dog bell can be adjusted 30-31 inches according to the height of your dog or any kinds of door.
3. Bell: Our dog potty training bell is different from the others who has 2 button adjustments.We added 3 button dog bells base on the original to achieve a longer length adjustment range.
4. Easy to install: It is very simple and easy to intall the dog doorbells for door potty training. Adjust the shoulder length and place it on the door. You don’t need drills, tools, screws, and special skills.
5. After-sales: If you have any questions, please contact us immediately.