DXPETA 2pcs Door and Window Opening Restrictor Safety Stay Set with Screws, Child Safety Window Locks for UPVC Casement Windows and Patio Doors, High Floor Anti-Fall Guard Protection

• CHILD SAFETY PROTECTION: These child safety window locks provide essential anti-fall security for high-rise apartments. The physical stay limits opening widths to keep toddlers and pets safe while allowing fresh air flow.
• CASEMENT WINDOW RESTRICTOR: Engineered as a reliable casement window restrictor, this hardware fits UPVC, aluminum, and wooden frames. It ensures a fixed ventilation gap without the risk of windows swinging wide in the wind.
• SECURE SCREW-IN MOUNTING: Use these UPVC window security stays for a permanent, rattle-free fit. Unlike adhesive alternatives, the screw-in metal bracket withstands high-floor wind pressure for long-term household stability.
• VERSATILE DOOR & WINDOW STAY: Functions perfectly as a patio door stay hold open solution or a cabinet limiter. The compact 16.5cm design allows for precise mechanical angle limitation in kitchens, balconies, or nursery rooms.
• . DURABLE METAL CONSTRUCTION: Crafted from robust carbon steel with zinc alloy components, this safety stay is built for daily use. The set includes eight self-tapping screws for a complete and straightforward DIY installation. 

Door and Window Opening Restrictor Safety StayUpgrade your home security with this heavy-duty window and door restrictor set. Designed specifically for high-rise safety and controlled ventilation, these stays provide a physical barrier to prevent accidental falls while allowing you to enjoy a breeze. The compact design ensures compatibility with most modern window frames without obstructing the view.Key Features:• Mechanical Angle Limitation: Precisely controls the opening width of casement windows and patio doors.• High-Rise Security: Provides peace of mind for parents and pet owners living in apartments.• Universal Fit: Compatible with UPVC, Aluminum Alloy, and Wooden window frames.• Wind-Proof Design: Keeps windows steady even under high wind pressure, preventing slamming.Package Includes:• 2 x Window Opening Restrictors (16.5 x 4 x 2 cm)• 8 x Self-Tapping Installation ScrewsGood to Know (FAQ & Care):• Q: Does this require drilling for installation?A: Yes. This product is designed for permanent screw-in mounting to ensure maximum safety and stability; it is not a no-drill or adhesive solution.• Q: Can this be used as a primary anti-theft lock?A: No. This is a safety limiter intended for ventilation and child-proofing. It should not be used as a heavy-duty anti-theft security lock.• Q: What surfaces is it compatible with?A: It is suitable for most window frames including UPVC and wood. Please ensure your frame thickness allows for screw penetration.Specifications:• Material: Carbon Steel, Zinc Alloy• Dimensions: 16.5 x 4 x 2 cm per unit• Installation: Screw-mounted (8 screws included)