DEROFIT Sliding Door Security Bar | Adjustable 16-51 in | 2-in-1 Door & Window Lock Bar for Home & Apartment

Enhanced sliding door security with a flexible, easy-to-use bar

The DEROFIT Sliding Door Security Bar is crafted to adapt to a wide range of spaces, from compact doors to expansive patio openings. Its telescoping design extends from 16 inches to 51 inches, allowing you to dial in a precise fit for your door track. Built with sturdy metal, this bar delivers a tangible barrier that can contribute to a safer feel in daily life and during trips away from home.

Designed for versatility, the bottom portion can be removed to transform the bar into a window guard. This 2-in-1 setup works smoothly on sliding glass doors or large patio windows, helping you reduce clutter while expanding how you secure openings around the house.

Two-in-one flexibility for doors and windows

The convertible design lets you switch from a door security bar to a window bar in moments. This means fewer devices to store and a single solution that adapts to different openings in your home or rental space.

Safety for households with kids and pets

Beyond deterring intruders, the bar serves as a visible reminder to keep doors from being opened unexpectedly. It also helps prevent young children or curious pets from accessing risky doorways, adding peace of mind for busy households.

Strength you can feel

Constructed from high-grade metal, the bar is designed to withstand substantial pressure—up to 400 pounds. An additional small key provides an extra layer of security, complementing straightforward, tool-free operation.

Easy installation and travel-ready

Installation requires no drilling—simply place the bar in the track and set it. When you’re on the move, it disassembles into a compact form, making it suitable for hotels, vacation rentals, or temporary stays where safety matters.

• Adjustable from 16" to 51" to fit most doors and large windows
• 2-in-1 design supports both doors and windows
• Heavy-duty metal construction that resists significant force
• Includes a key for extra security options

• Visual deterrent that adds safety awareness for intruders
• Ideal for homes, apartments, offices, and rental properties
• Portable and travel-friendly for hotels and vacation rentals
• Supports child and pet safety around doorways