Alarm Slide for PetSafe Classic Pet Door

The "Retrofit" Alarm Slide for PetSafe Classic Pet Door allows your pet the freedom they want while giving you a sense of security! This patented Alarm Slide for PetSafe PetDoor slide has an on/off switch to activate the audible ALARM to alert you when the slide has been even just partially removed. This is important for those who wish to know immediately that there is an attempt to exit as well as enter the pet door. The Pet Door Alarm Slide features include: Unique "Alarm Slide" alerts you when the armed slide has been removed. Alarm can be turned "On or Off". Batteries and sensor included. Simple installation. For large Petsafe Classic Pet Door, for slide sizes 10 7/8" x 18 7/8". The "Retrofit" Pet Door Alarm Slide is a product made by and under the brand name of PetSafe, a registered trademark of Radio Systems Corporation. Ideal is not affiliated with PetSafe and Radio Systems Corporation. Dimensions: 18"L x 0.63"W x 10.63"H