Non-perforated Window Screen Limiter Aluminum Alloy Door and Window Fixed Push-pull Child Lock Buckle Anti-theft LockDescription:Name: window lockMaterial: zinc alloySpecifications: unmarried gap ivory white (with key), double hole ivory white (with key), single gap shiny black (with key), double gap vibrant black (with key), single gap basic silver (with key), double hole basic silver (with key), security window lock (with key)Scope of application: sliding windowSpecifications:1. Product features: thickened material, thickened panel, thickened chain, controllable width.2. Product use: window restrict lock, loose control window width, to forestall youngsters from mountaineering out of the window.3. A sort of types are available, all with keys to ensure the safety of children.4. Easy installation:① Prepare baby safety window lock② Determine the window opening width③ Adjust the width of the tip sheet④ The width of top sheet is smaller than that of card slot⑤ Turn the foremost to the proper and tighten itPackage Included:1 * window lock1 * Key