Ensure child safety: The child-safe window lock is designed to limit the opening distance of windows and doors to reduce the risk of injury from falls. At the same time, fresh air is allowed to flow in. Choose Aosite child-safe window locks for peace of mind and a safer home environment. More practical: The upgraded size of the window safety restrictors is 7.5 * 3.2 CM, which is more suitable for the width of most windows and can be used for wooden, PVC, and aluminum hinged windows, casement windows, and sliding windows. Compared to the traditional screw window lock, the back is large enough for the adhesive to ensure safety, can also be used with screws, giving you more choices. Easy to install: This window lock not only has strong adhesive properties but also has screw holes. You can use the included self-drilling screws to install in two ways to ensure double safety. With these easy-to-use locks, your windows are securely fastened and can only be opened with the included key, preventing curious children or pets from opening them without adult supervision. Robust and durable: Aosite effective safety window locks are perfect for high-rise apartments, homes with children or pets, or other situations where extra security is needed. The window safety latches are made of sturdy metal heads and high-strength steel cables, which are more durable. It has been tested to withstand a horizontal force of 100 kg. Wide applications: These baby safety locks can be used as refrigerator locks, toilet locks, cabinet locks, etc.; ideal for many windows, cabinets, drawers, and doors, preventing your little adventurer or cute pet from going to dangerous places. It can also be used to push down the toilet lid and seal the doors of microwaves, refrigerators, and other appliances.