Security features include a window opening limiter, perfect for enhancing safety in residential, public, and commercial settings, with a special focus on child safety. This device can be locked and unlocked as needed. When the cable is installed, it restricts the window’s opening distance. However, the window can be fully opened after removing the cable from one end using the provided key. This versatile solution is applicable to various window types and small doors, and it is compatible with materials like UPVC, wood, aluminum, and metal.