Non-perforated Window Screen Limiter Aluminum Alloy Door and Window Fixed Push-pull Child Lock Buckle Anti-theft LockDescription:Name: window lockMaterial: zinc alloySpecifications: single hole ivory white (with key), double gap ivory white (with key), single gap bright black (with key), double hole bright black (with key), single gap traditional silver (with key), double hole classic 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 limit lock, loose control window width, to stop youth from climbing out of the window.3. A style of types are available, all with keys to ensure the safety of children.4. Easy installation:① Prepare little one security window lock② Determine the window opening width③ Adjust the width of the top sheet④ The width of peak sheet is smaller than that of card slot⑤ Turn the major to the proper and tighten itPackage Included:1 * window lock1 * Key