Dog doorbells.Doggie Potty Training Doorbells ,Supply Easier and Better Communications between you and you lovely Dogs! We genuinely believe, through extensive comparison testing, that we have created the best dog potty training door bells on the market. So how does it work? STEP 1: Hang the bells on the door you use to take your dog out. You can also hang them on a hook next to the door a suitable hook can be found at any hardware store). STEP 2: Whenever you take your dog out, allow the dog to move or otherwise interact with the bells. When he/she does so, ring the bells and state a command associated with going outside. Provide positive verbal feedback and take your dog out. STEP 3: Repeat the process, always giving the same commandr and praise. Make sure that you don’t distract your dog from going to the bathroom by playing after you take him/her outside. If you’re going outside to play, don’t use the bells. After a few weeks of this routine, most dogs will begin ringing the bells on their own. When they do so, it is VERY IMPORTANT to take them out right away to reinforce the conditioning. Product Dimensions: 2.5*85cm Bells Dimension:1.4″ Net Weight: 195g Material:Nylon and Brass After service:Please buy with confidence and don’t hesitate to contact us if having any question, we’ll get to you within 24 hours. 100% Money back guarantee!No Any risk.What are you waiting for?