Aluminum Adjustable Sliding Window & Door Keyed Security Lock

Keep your home secure and your loved ones safe with this Aluminum Adjustable Sliding Window & Door Keyed Security Lock. Designed for balconies, bedrooms, and patio doors, this sturdy metal stopper adds an extra layer of protection to any sliding window or door — effortlessly and without complicated installation.

Why You'll Love It

• Child & Pet Safety: Limits how far a window or door can open, keeping curious children and pets securely inside.
• Anti-Intrusion Design: Fixes the opening range of the window or door, helping prevent unauthorized entry even when the window is slightly ajar.
• Windproof Stability: Prevents windows from rattling, banging, or swinging open during strong winds or stormy weather.
• Extends Window Life: Reduces stress on window frames by limiting movement in harsh conditions, preserving your fittings over time.
• Easy DIY Installation: No complicated tools or professional fitting required — simply install yourself in minutes and operate with ease.
• Keyed Lock: Comes with a key for added security, ensuring only authorized users can adjust or remove the stopper.

Specifications

• Material: Aluminum / Metal
• Color: As shown
• Application: Sliding windows, sliding doors, balcony doors, bedroom windows
• Country of Origin: Made in China

What's in the Box

• 1 × Window / Door Security Lock Stopper
• 1 × Key

Note: Photos may not reflect actual size — please refer to the description for dimensions. Slight color variations may occur due to different monitor settings. Allow minor tolerances due to manual measurement.

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Frequently Asked Questions

Q: Is this aluminum window security lock compatible with all sliding windows and doors?

A: This adjustable sliding window and door lock is designed to fit most standard aluminum-framed sliding windows and doors, including balcony and bedroom styles. The adjustable design accommodates a range of frame thicknesses. We recommend measuring your window or door frame before purchasing to confirm compatibility.

Q: Does the keyed window lock require drilling or permanent installation?

A: No permanent drilling is required for most installations. The lock is designed for simple, tool-free setup so you can install and remove it yourself with ease, making it ideal for renters or those who prefer a non-permanent security solution.

Q: Is this window stopper suitable for homes with young children and pets?

A: Absolutely. This security lock is specifically designed to limit the opening range of windows and sliding doors, providing a reliable barrier that helps keep children and pets safely inside. It's a practical and affordable safety upgrade for any home.