1. Enhanced Security: This chain lock provides an additional layer of security for your door, effectively preventing forced entry and protecting your home or hotel room from intruders. The sturdy latch and screw offer strong resistance against tampering and theft. 2. Reliable: Made from 304 stainless steel, this chain lock is built to last. It is durable and can withstand regular use without losing effectiveness. The thick chain and reinforced base further enhance its durability and strength. 3. Applications: This door chain lock can be used on various types of doors, including deadbolts, antitheft locks for home gates, and hotel room security locks. It provides security options for different settings, ensuring the safety of your property. 4. Easy Installation: With the included screws, installing this door chain lock is a breeze. Clear instructions guide you through the installation process, making it convenient for both DIY enthusiasts and professionals. No complicated tools or specialized skills required.