Automatic Sliding Glass Dog Door with Collar Sensor，X-Large Electric Doggy Door for Sliding Glass Doors, Adjustable 76" to 80-11/16" Slider Height, Anti-Pinch, Fits XLarge Dogs Up to 220 Lbs (XL)

Automatic Sliding Glass Dog Door with Collar Sensor，X-Large Electric Doggy Door for Sliding Glass Doors, Adjustable 76" to 80-11/16" Slider Height, Anti-Pinch, Fits XLarge Dogs Up to 220 Lbs (XL)