High Tech Power Pet Patio Pet Door (Original and WiFi)

Automatic patio pet door for sliding glass doors, easy installation with no tools required Low-E, dual-pane tempered glass and aluminum frame provide insulation and durability Flap raises automatically for pets, triggered by included MS-5 ultrasonic collar key Option for electrical or battery operation, ensuring uninterrupted use Enhanced security with automatic deadbolt locking and 4-way locking system  Includes one collar key fob measuring just 2" wide x 1" high x 3/8" deep, so it won't weigh down your furry friend The High Tech Power Pet Patio Pet Door combines convenience, insulation, and security to provide an unparalleled solution for pet owners looking to add an electronic pet door to their sliding glass doors. The automatic patio pet door is perfect for pets of all sizes, as it eliminates the need for them to push through a flap. Instead, the included MS-5 ultrasonic collar key activates the door, allowing it to open and close smoothly. The automatic safety retract feature