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 hole ivory white (with key), double hole ivory white (with key), unmarried hole shiny black (with key), double gap brilliant black (with key), single hole basic silver (with key), double gap 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, unfastened control window width, to forestall kids from climbing out of the window.3. A form of kinds are available, all with keys to ensure the security 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 height sheet is smaller than that of card slot⑤ Turn the most important to the right and tighten itPackage Included:1 * window lock1 * Key