Use this device as a training tool for your pet. Instead of letting your pet scratch the door when they have to go out, teach them to ring the bell. After they ring the bell praise him and let him go out to do their business. Place the Gotta Go Door Bell on your doorknob. When your dog rings the bell, let them out to relieve themself. Additional Details ------------------------------ Product description: Use this device as a training tool for your of letting you pet scratch the door when he has to go out teach him to ring the he rings the bell praise him and let him go out to do his gotta go door bell on your door your dog rings the bell let him out to relieve : [18 Inch] Color: Tan