Reinforcement door lock with heavy duty metal construction and 8-screw latch - Maximum security: Built to withstand up to 800 lbs of force and is about 12x stronger than a standard deadbolt against kicking. This door lock is designed to guard your home and deter intruders. - Robust hardware: The latch is secured with 8 screws in total, including 4 long and 4 short screws, so you can choose the configuration that best fits your door frame. - Inward-swinging doors: Easy to match with most inward-swinging doors for added security. Easy installation - Quick DIY install: Mount the security door lock on your door frame with a power screwdriver and drill. Complete installation in less than 5 minutes. - Comprehensive support: Includes an installation manual. If you have any questions during setup, contact us and we will assist you. Simple operation for emergencies - Tool-free access: No tools are required to operate once installed; with a little practice, you can open it smoothly. - How to operate: Place your index finger on the top of the lock and your thumb on the bottom, slide the lock away from the base plate along the door toward the hinges, then pull outward. Security features for families - Child and elder safety: This lock provides extra protection for toddlers by preventing them from opening the door to unknown people. It offers peace of mind for parents and caregivers when you are away. - Suitable for home use: The spring-loaded design helps prevent unauthorized access by children while remaining easy to release in emergencies, helping you feel more secure when you are home alone or with loved ones. What it does for you - Prevents break-ins: Stronger than standard deadbolts, it adds a critical layer of defense against forced entry. - Easy to use in urgent situations: The design allows for quick opening when needed, without compromising security. Use scenarios - Family home with young children: Adds extra protection to prevent children from opening doors to strangers. - Rental or apartment living: Reinforces entry doors against kicking or forced entry without permanent modifications. - Home alone or traveling: Provides reassurance when you are away, and offers a quick way to secure or access the door in an emergency. Service and support - After-sales service: We provide a 5-year after-sales service commitment to ensure you can buy with confidence. If you encounter any issues, we will work with you to resolve them until you are satisfied.