Product Specifications
Set of 4 window restrictors in white. Made from high-quality material with a steel cable design. The cable length is stated as 19 cm, with an opening distance of up to 18.5 cm. The set includes self-tapping screws and keys for installation and unlocking. The smooth, flexible line design is shown with compact mounting plates for doors and windows.

Core Features
This restrictor is designed to limit how far a window or door can be opened, helping to improve home security and child safety. The cable remains locked in place to control the opening distance and allow airflow. With the included key, the cable can be removed from one end to allow the window to be fully opened. The lock core design is described as enhancing the security of the door lock.

Suitable Scenarios
Suitable for PVC, aluminum, wood, and composite doors and windows. Can be used on double-hung windows, casement windows, sliding windows, balcony doors, and guest room doors. Intended for home environments where controlled window opening and increased child safety are needed.

Product Summary
A white 4-piece window restrictor set with steel cable construction, key release, and installation accessories included. It is made for controlled opening, daily safety use, and compatibility with multiple door and window types.