Window Restrictor / Window Limiter — Secure ventilation and fall prevention Key benefits Prevents climbing or accidental falls from windows: limits how far a window can open to reduce the risk for children, elderly people and pets. Allows safe indoor ventilation: keeps windows partially open to improve air circulation while maintaining security. Adds an anti-theft layer: acts as a window/door limiter and lock to deter unauthorized entry. Main features Adjustable window restrictor: can be set to limit the opening to the required position, reducing fall and escape risk. Simple lock function: a dedicated restrictor lock secures the window opening and can be opened or closed when access is needed. Designed for mounting on window or door bars: set the device directly onto the window or door bar for immediate use. Improves indoor air circulation while protecting household members and property. How it works / Installation Mount the restrictor onto the window or door bar following the product’s placement points. Use the device’s operating part to open or close the restrictor to the desired stop position; this controls how far the window can open while remaining locked. Intended for routine ventilation and ongoing safety without obstructing normal window operation. Compatibility and performance Fits on window or door bars; functions as a limiter and lock to control opening range and provide security. Adjustable operation supports different opening requirements and routine ventilation needs. Practical use scenarios Home with children: keep windows ventilated while preventing toddlers from climbing or falling out. Elder care or assisted living: reduce fall risk for elderly residents by limiting window openings while preserving fresh air. Ground-floor apartments, offices, schools, hospitals or shopping centers: permit air circulation and reduce the chance of unauthorized entry through partially opened windows. Why choose this restrictor Provides a simple, effective way to combine ventilation, safety and basic intrusion deterrence. Clear operating principle: mount on the window/door bar, adjust to the needed opening, and lock in place for continuous protection.