【Limit the distance】This is a simple device that can limit the opening of the windows to prevent children from falling 【Material】Security restrictor is a solid zinc alloy body structure, scratch and corrosion-resistant, to ensure quality and long service life 【Simple operation】When the cable is in place, the window can be opened to a limited distance, by using this key, you can remove the cable from one end, the window can be fully open, easy to use. 【Use】Window security locks can be used in hospitals, hotels, homes and schools to protect your children from harm.It can be mounted to most types of windows and small doors 【Special design】Safety lock is designed to prevent children falling from windows and doors，Safe to use, adds extra element to baby and child, Manufacturer: Zerodis