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 gap ivory white (with key), unmarried gap brilliant black (with key), double hole bright black (with key), unmarried hole 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, loose management window width, to prevent children from climbing out of the window.3. A form of kinds are available, all with keys to guarantee the security of children.4. Easy installation:① Prepare youngster security window lock② Determine the window opening width③ Adjust the width of the end sheet④ The width of peak sheet is smaller than that of card slot⑤ Turn the most important to the correct and tighten itPackage Included:1 * window lock1 * Key