[Easy to operate]: This window lock can block the opening angle of window strips and balcony doors. It can control ventilation and adjust the window opening as [Safety hook design]: The window limiter ensures enhanced stability and prevents easy removal, with a key safety function to prevent accidental window opening and potential falls. [Material]: The window wind hook is made of high-quality materials to durability, durability and service life. It prevents impact or opening of on windy days, improving comfort and safety. [Smooth ]: The window opening and closing protection device is treated with high-temperature varnish baking to create a smooth appearance, strong gloss and delicate touch. [Scope of application]: This window guard is suitable for various types of , including folding or rotating . It can lock the window at different opening angles to prevent accidental impact.