GE Personal Security Window/Door, 4-Pack, DIY Protection, Burglar Alert, Wireless & Defender Security Satin Nickel U 10827 Door Reinforcement Lock

• Includes 4 window/door alarms, each with 3 adjustable settings off/chime/alarm Loud 120 decibel alarm sounds when door or window opens, helps deter intruder and alert residence Easy and convenient to install, requires no wiring, mounting hardware and instructions Included, designed for indoor use only Built in low battery test button to easily check battery life, Includes four LR44 batteries for each alarm 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. Length is 2 to 0.19 inch. Width is 1 to 0.38 inch. 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 Defender Security door blocker by Prime-Line 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., Weight: 800.0 pounds