ZaneGear WANLIAN 1PCS Door Window Lock Stopper Adjustable Thick Sliding Safety Anti Theft Children Security LockChild Plastic Steel Aluminium Free Rails Limit Window Door Anti Slip

Key features

• Easy to Install:No additional tools are required and no need drilling. Open the windows to the proper position or close the windows as your need. Adjust the spacing of the window lock, and place it on the window frame, insert the key and turn the key clockwise or anticlockwise to adjust the width to fix the lock. Turn the key till the key slot can not move, which can make the window lock work efficiently.
• Security: To prevent burglary, it can lock the window when the window ajar.To prevent children from accentual falls avoid accidental opening of children accidentally window
• Ventilation: Can fix the window in place and cannot be pulled or opened,Keep ventilated,WANLIAN effectively prevent your child from opening the windows by his own, anti-theft and keeping the fresh indoor air.
• Appearance: Professional surface treatment, fastness, concise and beautiful; Use high-quality materials, easy to open, suitable for most of plastic steel Alloy window.
• Function:Secondary lock provides increased security when ventilating or securing your sliding door or window.
• Adjustment Window Lock： The clamping distance is between 10 - 60 mm (0.39 - 2.36 inch).Its width fits most windows frame, but we still suggest you have your window frame measured first.