High Tech Power Pet Automatic Dog Door with Wall Mount

Automatic pet door for walls 4" - 6" thick (up to 12" with wall adapters) Collar-activated dog door using ultrasonic keys One water-resistant MS-4 collar key included (additional collar keys including MS-5 waterproof keys are available)  Choice of electrical or battery operation (see options below) Wall tunnel adapter made of heavy-duty aluminum Available in medium and large sizes The High Tech Power Pet Door for Walls is an automatic, electronic dog door that opens only in the presence of an ultrasonic collar key, preventing any raccoons, strays, or neighborhood pets from accessing your home. The pet door opening allows pets of varying heights to share the pet door, making this a convenient choice for owners with multiple pets. This High Tech wall mount dog door installs in walls 4" - 6" thick. Extra aluminum wall adapters can be added for walls up to 12" thick. Looking for something else? Take a look at our full selection to find your electronic doggy door. Features: 3 Options