Quick, nohassle installation: Mount the lock in minutes using the eight screws included. Clear, straightforward attachment delivers added protection without a complicated install process. Designed for swing doors: Works with swing doors of varying thicknesses to provide an extra barrier against unwanted entry. Compatible with interior and exterior swingstyle doors where an additional latch is needed. Springloaded, tamperresistant design: The springloaded mechanism keeps the lock secure and helps prevent forced entry or manipulation. The operating parts are positioned to remain out of reach of small children for reliable childproofing. Practical function and performance: Adds a supplementary locking point to reduce the chance of unauthorized opening. The mechanism engages quickly and holds under normal use to improve safety and peace of mind. What you get: A compact, easytoinstall supplemental lock with eight screws for fast mounting and a springloaded action that increases resistance to tampering and accidental opening. Use scenarios: Home entry security: Add this lock to a front or side swing door to create an additional obstacle for opportunistic intruders while keeping everyday access simple for adults. Childproof interior doors: Fit to bedroom, bathroom, or basement doors to keep young children from opening doors unsafely; the springloaded mechanism keeps the control out of reach. Rental or temporary housing: Install a quick supplemental lock in apartments, vacation homes, or shared spaces where you want to increase door security without extensive modification. Installation tips: Align the lock on the swing door where it complements your existing locks, mark screw holes, and secure with the eight included screws. Test the springloaded mechanism after mounting to confirm smooth engagement and proper coverage for the door thickness in use. This lock is a straightforward, practical addition when you need faster installation, compatibility with swing doors of different thicknesses, and a tamperresistant, childproof secondary locking option.