Photo 1 of Dog Door Bell for Potty Training, Smart Wireless Doggie Doorbell to Go Outside, 1000 Feet Long Range with IP65 Waterproof Super-Light Touch Button, 60 Melodies & Adjustable Volume (2 Button)

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Photo 1 of Dog Door Bell for Potty Training, Smart Wireless Doggie Doorbell to Go Outside, 1000 Feet Long Range with IP65 Waterproof Super-Light Touch Button, 60 Melodies & Adjustable Volume (2 Button)Photo 2 of Dog Door Bell for Potty Training, Smart Wireless Doggie Doorbell to Go Outside, 1000 Feet Long Range with IP65 Waterproof Super-Light Touch Button, 60 Melodies & Adjustable Volume (2 Button)