Easy to install: window stoppers for vertical windows require no additional tools and no drilling.
Safety: The patio door security bar effectively reduces the risk of children and pets falling from heights and prevents theft.
Ventilation: Can fix the window in place and cannot be pulled or opened,Keep ventilated, effectively prevent your child from opening the windows by his own, anti-theft and keeping the fresh indoor air
Appearance: Professional surface treatment, fastness, concise and beautiful; Use high-quality materials, easy to open, suitable for most of plastic steel Alloy window
Function:Secondary lock provides increased security when ventilating or securing your sliding door or window