Ensure Child Safety: The childproof window lock is designed to restrict the opening distance of windows and doors to help reduce the risk of injury from falls. It allows fresh air flow while providing added security. Choose Aosite child safety window locks for peace of mind and a safer home environment.More Convenient: The upgraded window safety restrictor measures 7.5 x 3.2 cm, making it suitable for most window types, including wooden, PVC, and aluminum hinged windows, casement windows, and sliding windows. Compared to traditional screw window locks, the larger back plate provides sufficient surface area for strong adhesive bonding. It can also be installed using screws, offering added flexibility and security.Easy to Install: This window lock features strong self-adhesive properties and includes screw holes for optional screw installation. Use the included self-tapping screws for dual installation methods, ensuring enhanced safety. These user-friendly locks securely fasten windows and can only be opened with the provided key, preventing children or pets from opening them without adult supervision.Sturdy and Durable: Aosite safety window locks are ideal for high-rise apartments, homes with children or pets, or any situation requiring extra security. The window safety catches are constructed with durable metal heads and high-tension steel cables, tested to withstand a horizontal force of 100 kg.Wide Applications: These safety locks can be used on various household items such as cupboards, drawers, refrigerators, toilets, and appliance doors. They help prevent young children or pets from accessing potentially dangerous areas. They can also secure toilet lids and keep microwave or refrigerator doors closed.