Defender Security U 10827 Door Reinforcement Lock ? Add Extra, High Security to Product Description Add an extra layer of security to your home with this U 10827 door reinforcement lock. Designed to withstand 800 lbs. of force, you can rest easy knowing your family is safe and protected! This reinforcement lock has a spring-loaded design, aluminum construction and a satin nickel finish. This satin nickel reinforcement lock can be quickly and easily installed on any swing-in door of any thickness, and can help ensure the door cannot be opened from the outside by being kicked in. Additionally, it?s tamper-resistant, so it can protect against lock picking and bumping. Plus, it?s child-safe, because you can install it higher on a door, where your young ones can?t reach. Installation takes minutes, and the U 10827 door reinforcement lock comes with 3? hardened screws. Extra home security and peace of mind are well within reach - and doesn?t have to come with the high price tag of an alarm system! This high security door lock meets the Texas building code requirements. Be sure to view the manufacturer?s How-To Installation Video also linked to this page, in the upper left hand corner. From the Manufacturer This entry door stop is constructed from aluminum and comes finished in satin nickel. It protects against unauthorized entry by preventing lock bumping and lock picking while in locked position. Fits any size door and has a child-safe design. Features KEEP YOUR HOME SAFE ? Designed to withstand 800 lbs. of force, this U 10827 satin nickel finish door reinforcement lock helps to prevent doors from being kicked in, increasing your home security and keeping you and your family safe! EASY INSTALLATION ? The included 3? hardened screws make installation a breeze ? extra security and peace of mind can be achieved in just minutes! ADDITIONAL HOME SECURITY - Use this high security door reinforcement lock for additional home security on any swing-in door of any door thickness. It helps to ensure any door cannot be opened from the outside. CHILD-SAFE AND TAMPER-RESISTANT ? This door reinforcement lock has a spring-loaded design that is both child-safe and tamper-resistant. It can be installed higher on the door where your children can?t reach! Plus, not only can doors not be kicked in by intruders, it protects against lock picking and bumping while in the locked position. WATCH THE VIDEO ON THIS PAGE for installation tips and operating instructions. For all dimensional information please refer to the line art and compare to your needs before purchasing USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.