- Constructed from high-quality materials, this door chain lock is designed for durability and long-term use. It is resistant to corrosion and wear, ensuring reliable performance over time. - Easy to install on any door size, this surface-mounted door chain lock can be secured using just a screwdriver or electric drill. Perfect for homeowners looking for a hassle-free installation process. - Versatile in application, this door chain is suitable for wooden doors, front and back doors, windows, and more. It's an ideal security solution for homes, apartments, hotels, offices, and schools. - The lock-type design allows you to identify a caller before fully opening the door, enhancing your safety. The chain can only be unlocked from the inside, preventing forced entries and boosting your home security. - If you have any questions or need assistance, our dedicated technician team is available to provide support within 24 hours for a quick resolution. - Made from robust materials, this heavy-duty door lock chain offers protection against forced entry, making it an essential safety feature for you and your family. - The door chain enables caller identification before the door is opened completely, increasing security at your front entrance. It also features an easy-release mechanism when the door is closed. - In addition to its enhanced security features, the chrome finish makes this door chain ideal for indoor use, seamlessly complementing any home design. - The surface mounting and compact design allow for effortless installation on any door size with minimal tools required, ensuring accessibility for everyone.