Enhanced Security: If you're concerned about the robustness of your windows and doors, or feel uneasy when traveling alone, this door security bar provides complete peace of mind with its easy-to-use yet highly effective lever. Easy Installation: Simple to install, offering immediate security. 2-in-1 Door & Sliding Door Security: Deter burglars from breaking into your home, apartment, or hotel room with our adjustable door security bar. Adjustable Length: The door barricade security bar adjusts from 21 to 46 inches. Portability: Weighing only 2.2 pounds, it's easy to carry while traveling or store at home. User-Friendly Design: The door brace security bar is incredibly easy to use with its three-stage structure for quick setup, allowing you to reinforce your defenses rapidly. Ensure a snug fit between the rubber foot and the floor for optimal performance. Durable and Upgraded: Equipped with reinforced high-strength alloy connections for extended lifespan. Enhanced Construction: Features a thickened 1.57-inch tube diameter, high-quality material upgrades, and plastic components made from high-strength fiberglass material for stability and robustness. High Resistance: Withstanding 400 pounds of force, it would take a heavyweight boxer to breach the door. Important Note: While not 100% foolproof, the door security bar provides ample time to prepare for an intrusion or escape the area.