Description: New lockable Window and Door Cable Restrictor Material: Zinc Alloy+Steel+Plastic Available color: white/black or other specified color Accessories: with 1 key and installing screws Application: Suitable for most types of windows and doors, and suitable for many kinds of materials, such as uPVC, Wood, Aluminum and other Metal and etc Place of Origin: Zhejiang, China Payment method: T/T, Western Union or PayPal Minimum order quantity: As per different product Package: Customized package will be acceptable Features: Key operated, Child Safety Security Lock Easily installation,it comes with a key and mounting screws,just need a screwdriver or drill to mount onto the specified window or door frame. It limits the window or door opening distance,and a good ideal for Home, Public and Commercial Safety, and especially designed for Children 's Safety,can prevent Children falling down from the windows. It can be locked & unlocked as required --- When the cable is in place(under locking status), the distance of the window can open is limited. And the window also can be opened fully after the cable is removed from the locking end by using the Key.Choose it to protect your kids in safety.1. This product is a perforated security lock, complimentary installation of self-tapping screws. 2. Plastic/steel windows: screwed directly into the window, the lock is installed on the sash and the base is installed on the window frame 3. Aluminium alloy windows: use electric drill to open holes and fix with screws Six advantages of the product Anti-theft, anti-fall, restricted ventilation Child protection, anti-corrosion and anti-rust, durableWide locking seat with thicker lock, easy to fasten, how to drag him will not fall, strong load-bearing capacity; Several strands in one, no breakage, special technology to create a multi-strand winding from the strong tensile strength does not break Steel material is much more stronger and durable in daily use.