Universal Door Lock – Designed for Reliable Everyday Security Fits Most Residential Doors: Engineered with standardized backset and faceplate dimensions to work seamlessly with the majority of precut residential door setups, reducing installation time and eliminating compatibility concerns. Instant Lock Status at a Glance: Integrated viewing window clearly displays whether the lock is engaged or disengaged, allowing you to quickly verify security from across the room or down the hallway. Enhanced Child Safety: Operates with deliberate manual force, making it more difficult for young children to accidentally unlock the door, helping prevent unwanted access or unsupervised outdoor entry. Built for LongTerm Performance: Internal components are crafted from hardened steel for dependable operation and resistance to wear, even under frequent daily use. Ideal applications: 1. Securing bedroom or home office doors while allowing quick visual checks of lock status. 2. Adding an extra safety measure for doors leading to patios, balconies, or exterior areas where child safety is a priority. 3. Upgrading existing interior or exterior door hardware with a reliable lock compatible with most standard residential installations. This lock delivers practical design and robust construction to provide everyday convenience and peace of mind, without sacrificing compatibility or ease of use.