- Durable Stainless Steel Construction : This door lock with a chain is crafted from high-quality stainless steel, ensuring it remains rust and corrosion-resistant. Designed for long-lasting use, it provides reliable security for your home. - Enhanced Indoor Security : The brushed surface of the chain protector enhances wear and corrosion resistance, making it ideal for indoor applications. Safeguard your space with a strong and robust window lock. - Child-Safe Design : Featuring a reinforced chain, this lock is built to withstand deformation or breakage, providing added peace of mind for families with children. It serves as an effective safety window lock, allowing you to relax knowing your little ones are secure. - Window Safety Improvement : Specifically designed to prevent windows from being fully opened, this lock enhances household safety by minimizing the risk of accidental falls. It is an essential addition to your home's security measures. Use Scenarios : 1. Install it on bedroom windows to ensure your child's safety while allowing fresh air to flow in. 2. Use it on balcony doors for added security, preventing unauthorized access while maintaining ventilation. 3. Enhance security on any indoor door by using this chain lock, perfect for additional peace of mind in homes and apartments. Reliable and easy to install, this stainless steel door lock with chain is your go-to solution for indoor safety and security.