360 degree rotation capability and childproof security. These window stops allow full 360degree rotation to set the ventilation angle while providing childproof protection. They are designed to maintain structural integrity against weathering, ensuring reliable performance over time. Adjustable window restrictors with strength materials. Multiple angled positions for enhanced ventilation control and security. Easy installation compatible with over 80% of window types. Ideal for families with kids or pets, groundfloor residents, and novices seeking home upgrades. Clear benefits for safety, airflow, and simple improvement. Designed for residential and commercial spaces, particularly coastal regions or apartments that require sturdy windows and adjustable airflows. Built to perform in environments where durable window hardware and flexible ventilation are important. Use scenario 1: In a family home on a groundfloor apartment, set the restrictor to a safe opening that allows fresh air while preventing children from opening the window wide. Use scenario 2: In a coastal apartment or small office, use the adjustable angles to manage airflow during varying weather, keeping interiors comfortable while maintaining security. Use scenario 3: For firsttime home upgrades, install these restrictors to upgrade multiple window types quickly, improving safety and ventilation without complex tools or extensive remodeling.