High Tech Pet Door

Never used, still in the original box high tech pet door. I bought this in 2020 with intentions of using for my new home but, never did. Cross posted. Pet Doors now sells this as $579 in 2022. High Tech Pet Door with motorized operation Uses inaudible, high-frequency sound programmed in ultrasonic collar keys to open One MS-4 water-resistant ultrasonic pet collar key included Door opens automatically, preventing pets from having to push through Regular height ranges run from medium to large sizes allow for pets of varying height to share the pet door. Automatic lifting promotes comfortable use for the pet. Quiet and non-physical contact pet door uses inaudible, high frequency sound barrier access control - ideal for timid pets. Wall outlet adapter ensures that you do not have to worry about losing dual-range controls with a dead battery. Airtight system holds up well in the cold weather