Wireless Dog Doorbell - Smart Chime Button for Potty Training & Outdoor AccessWireless Dog Doorbell Smart Chime for Potty Training & Outdoor Access Key Features: _ Doorbell Receiver: Plug in design _ Plug Type Options: Available in EU or US plug _ Trigger Button: Simple touch activation _ Usage: Ideal for dog training and potty training Description: Join the potty training revolution with our Smart Dog Doorbell! This isn__ just any bell; it__ a versatile training tool for helping your dog signal when they need to go outside.