Sliding Door & Window Locks Aluminum Alloy Plastic Steel Window Limit Door Lock Children Safety Protection Lock

• Safety:To prevent children from accentual falls avoid accidental opening of children accidentally window.
• Security: To prevent burglary, it can lock the window when the window ajar.
• Ventilation: Keep ventilated, fresh indoor air.
• Appearance: Professional surface treatment, fastness, concise and beautiful; Use high-quality materials, easy to open, suitable for most of plastic steel Alumilum Alloy window.
• Function:Secondary lock provides increased security when ventilating or securing your sliding door or window.