DOOR STOPPER SECURITY BUNDLE – Stop intruders from entering your home, apartment, or even hotel room with our floor door alarm system and adjustable door security bar; Each doorstop blocker is intended for indoor use,ADJUSTABLE DOOR SECURITY BAR – The Defender Door Brace is a rapid deployment door jammer that fits most sliding and hinged doors; The doorstop wedge bar can be broken down into 3 pieces and assembles very easily when needed; 28” minimum length, 44” max,3 SENSITIVITY LEVEL DOOR ALARM – Our floor stopper door wedge features a low, medium, and high sensitivity level that you can easily adjust; This battery-powered door security device features a loud audible alarm when activated,SAFE & SECURE – Both the door alarm and bar are built to withstand extensive use and force; No matter how hard someone tries to get through the door, each security device will keep your door safe and secure; The Doorstopper bar can withstand up to 550lbs of force on wood or carpet floors,EASY TO USE – No difficult installation required; Simply wedge the door stopper alarm and place the security bar firmly under the door handle; The bar stoppers also feature a removable head for easy sliding glass door installation and as window bars, Go ahead ADD one to your CART