Description:Productname: Aluminum alloy sliding sliding door and window safety lock,anti-theft lock, window stopper, child defense security lockUsagescenario: It can forestall teens from opening the window too broad andcausing danger, and likewise stop youth from opening the sliding doorand turning over things; when the weather is stuffy, it is not safe toopen the window at night, and it is safe and convenient to fasten thewindow with an auxiliary lock.Specifications:Aluminum alloy sliding sliding door and window safety lock Anti-theft lock buckle Window stopper Child defense safety lockHigh-quality materials, high-quality workmanship, durableTwo colours to fulfill the needsnote:1.Please allow 0-1cm errors because of guide measurement.2.Itemcolor displayed in images may be displaying barely assorted on yourcomputer display screen since screens aren't calibrated same.