DescriptionDOG DOORBELLS - An easier, better way for your dog to communicate!! Dog training bells are one of the simple and non-confrontational solutions for potty training your family's best friend, you can house train and teach them how to signal you when they need to go!! Using dog bells has proven to be an easier, more fun, and a win-win way for your dog to communicate instead of barking.TRAINING IS SO EASY - 3 easy steps for training. Many of them have success on the very first day. With little to no training! Just read the reviews! Thousands of customers have had success training their dog to use bells. Doorbells help you make better communication with pets a reality! Simple and effective and recommended by pet professionals.3 LEVELS ADJUSTABLE LENGTH - This upgraded design gives you 3 levels of length adjustments compared to standard bells with two lengths. This allows for easy adjustment of the length to the bottom of the door or wall based on the size of your dog or the height of your door. Small dogs, medium dogs, large dogs, and giant dogs all love to excel with our dog bells!