2/5PCS Non-perforated Window Screen Limiter Aluminum Alloy Door and Window Fixed Push-pull Child Lock Buckle Anti-theftDescription:Name: window lockMaterial: zinc alloySpecifications: unmarried gap ivory white (with key), double hole ivory white (with key), single gap bright black (with key), double hole vibrant black (with key), unmarried gap traditional silver (with key), double gap 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 limit lock, unfastened management window width, to stop young people from climbing out of the window.3. A style of kinds are available, all with keys to guarantee the security of children.4. Easy installation:① Prepare baby security 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 key to the correct and tighten itPackage Included:1 * window lock1 * Key