• Alarm Sounds To Alert You When Armed Lock-Out Slide Is Removed!
• Double, flexible tinted vinyl flaps create a 3 inch air pocket for maximum insulation and energy efficiency
• Easily installs in doors ranging from 3/4" to 1-3/4" in thickness or walls from 4-3/4” to 7-1/4” thickness using the Designer Series Ruff Weather Pet Door Wall Kit (sold separately)
