🚪UPGRADED SAFER SECURITY DESIGN - 3" stop metal construction with strengthen screws home security door lock designed to withstand 800 Ibs of force, 12 times stronger than a normal deadbolt to against being kicked in. Winonly secure lock guard your home safe, Add Extra Door Lock, Defender you and Prevent Unauthorized Entry. 🚪UPGRADED EASY OPEN DESIGN - Groove Design for Easy Opening in Emergency.Place index finger on top of Winonly door lock and thumb on bottom and slide lock away from the base plate along the door in the direction of the hinges then pull outward. No tools required to open, just a little practice. Not only prevent breaking in but also easy to open in case of emergency. 🚪EASY TO INSTALL - Use power screwdriver and drill to mount Winonly security door lock on your door frame ,finish DIY Winonly door lock installation less than 5 minutes. Easy to match any inward swinging door. Add a extra Winonly safety door lock to guard your home security as a door defender. 🚪HOME SECURITY & CHILDPROOFING - Winonly security door lock add extra security measures for your family members while you away on business. Winonly door reinforcement lock has a spring-loaded design to prevent child from opening the door to unknown people.Add extra door lock to keep your home safe. 🚪SATISFIED WARRANTY - Secure home by Winonly, home security door lock defend your home safe, not only prevent break into but also easy open when meet emergency. Winonly provide 5 years warranty to make sure you could buy door lock with confidence and would try our best to solve any problem until you are satisfied.