1With strong magnetic design, this dog screen door will automatically close when pets go out or come in. 2Suitable for all breeds of dogs, cats, pet pigs, etc, in order to prevent the door from hitting your dog's hind legs, pay attention to the height of the door before installation, especially puppies, dogs with short legs, and cats. 3Easy to control, this automatic lock screen door is designed to allow your pets to enter and exit freely, preventing mosquitoes from entering the room. 4This sliding screen door dog door is easy to install, you can install this pet door in screen door, screen window and other shielded area. 5The magnetic pet window screen door is made of high quality ABS materials, strong enough not to fall off, and durable.