- Alarm sounds to alert you when Armed Lock-out slide is removed! (Requires 2-aaa batteries, not included)
- Double, flexible vinyl flaps create a 3 inch air pocket for maximum insulation and energy efficiency
- Easily installs in doors ranging from 1" in thickness
- Install in walls from 4” to 7” thickness using the Designer Series Ruff Weather Pet door wall kit (sold separately)
- Flap size is 9.75" X 17"
