The 9 Best High Security Door Lock in 2024

KEEP YOUR HOME SAFE – Designed to withstand 800 lbs. of force, this U 11126 bronze 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! Pre-drilling the included 3 in. security screws require holes to be pre-drilled with 1/8 in. drill bit

ADDITIONAL HOME SECURITY - Use this bronze finish 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.

FIT: As far as it not fitting certain doors the customers may need to make modifications to their door jamb

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

✓ 【Keep Your Home Safe】The 3" door lock is designed to withstand maximum 800lbs of force for Inward Swinging Door. It helps prevent doors from being kicked in. Increasing your home security and keeping your family safe.

✓ 【Easy to Install】Come with strong screws. Simply mount the door lock on your door frame using a screwdriver or power tools. The installation takes less than 5mins.

✓ 【Easy to Lock & Unlock】To unlock, pinch the door lock on the top and the bottom. Then slide the lock sideways along the door to the direction of the hinges until it can be pulled outward.

✓ 【Childproof】Security Door Lock adds extra security for children, prevent from opening door to strangers. Please install higher than the doorknob where your children can not reach.

✓ 【Great Design】Features a spring-loaded, childproof and tamper-resistant design. High-quality aluminium material provides higher safety than traditional door locks to protects against unauthorized entry.

【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 provides satisfied warranty to make sure you could buy door lock with confidence and would try to solve any problem until you are satisfied. Keep your home safe by WINONLY door lock.

KEEP YOUR HOME SAFE – Designed to withstand 800 lbs. of force, this door guard 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 only on swing-in door of any thickness door guardian. It helps to ensure any door cannot be opened from the outside.

CHILD-SAFE AND TAMPER-RESISTANT – This door reinforcement lock has a 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.

SWING-IN DOORS SECURITY LATCH – UL Certified and ADA Compliant - front door security home safety locks for doors security door locks deadbolt lock door block

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!.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.

EASY INSTALLATION – The included 3 in. 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!

PRE-DRILLING – The included 3 in. security screws require holes to be pre-drilled with 1/8 in. drill bit.

NOTE - Please refer to the line art for dimensions and compare with your needs before purchasing.

WATCH THE VIDEOS ON THIS PAGE for installation and operating tips.

Easy Setup; Design for Do It Yourself (DIY); No Professional Needed; Everything Included!

Fit Both Left and Right-hinged Doors; Replace Most Existing Door Knobs, Easily by YOURSELF!

Flexible: Master code, and upto 8 User Codes and P-Code, all Controlled by Your Own Master code.

Built-in Low Battery Warning. (for single-entry room, please use SoHoMiLL YL 99 B model)

Max.Security: Auto-Lock in 3-sec from Outside; Alert to Every Entry Attempt; No Phone Connected: No Hacking!

【3-IN-1 Unlock Ways】GeekTale smart door knob has 3 unlock ways into 1 lock, fingerprint unlock, App control, emergency back-up keys, a perfect fingerprint door lock to get keyless entry door lock.

【Simple but Smarter and Securer】The biometric door lock support App control, easily get fingerprint manage, app check unlock records, auto lock, passage mode, secure lock, help you creat a smarter and much convenient life, guard your family safety.

【Classical Design but Stronger】The biometric door knob extended the classical door knob design, equiped with fingerprint lock funtion and modern App control, a very ideal fingerprint door knob smart lock for bedroom door, office, apartments, AirBnB, hotels.

【Easy Installation】The fingerprint door knob door lock can be easily installed with a screwdriver within minutes, fits most US door, easily replace with existing door locks. offer detail installations steps and videos.

【Localized Customer Service Guarantee】Worry-Free 30 hassle-free return policy and 24-hour technical support by email or by phone. GOUGIND Please feel free to contact us if you have any problem.

【Protect Your Home Safety】- This door lock provides you extra security and privacy. The door can't be opened from outside after you close the door lock, even with a key or violence. Greatly improve your security and prevent unauthorized entry.

【Security Upgrade Design】- The door security device is one-piece molding made of zinc alloy that does not rust, high strength, not prone to failure. It is also easier to use with just one finger swipe. Quick opening in case of emergency.

【Easy Install and Use 】- Make installation a breeze with the included screws. It only takes a few minutes to install and one second to close. The Installation manual is included in the package.(Please adjust the tightness before installation with the screws on the back.)

【Home Security】- Prevent unauthorized entry. Resistance includes kicking, banging, lock picking and other violent ways to enter.

【Widely Used】- CZU high security door lock matched many scenarios, such as apartments, dormitories, bathrooms, bedrooms. Perfect for single women, elderly parents. It's an ideal item to give you safety of your home and extra peace of mind.

10X STONGER THAN A DEADBOLT – Tests prove that Flip Lok Residential withstands 1315 pounds of pressure, while Flip Lok Commercial withstands 2090 pounds of pressure. In comparison, a Grade- 1 (most secure) deadbolt has a rated strength of just 100 pounds of pressure. With Flip Lok, it would take the most powerful intruder over about 1300 kicks to begin to wear down the lock! Also protects against entry from those with spare or pass keys

INSTANTLY TURNS ANY ROOM INTO A SAFEROOM – Flip Lok flips, drops, and locks in a second turning your room into a saferoom. Flip Lok is un-pickable, unbreakable and installs at any height – place higher than a toddler can reach for their safety, set appropriate height for kids and adults. Flip Lok is also wheelchair friendly and ADA compliant.

INSTALLS IN LESS THAN 5 MINUTES – Flip Lok works on any inward swinging door and left to right opening doors. Just follow the simple instructions provided. Set your height, insert the screws and you are done! Flip Lok operates with no electronics or batteries and is always ready and failure-proof. No need to replace your current door systems.

MADE FROM INDUSTRIAL GRADE ALUMINUM AND STAINLESS STEEL – Flip Lok Home has a tensile strength of 27, 557 PSI (pounds per sq inch). Structural steel is rated 400-500 PSI. No intruder is going to get into your safe room.

FLIP LOK IS MOM DESIGNED AND INVENTED – Anna Reger, mom and stepmom to 7 and her husband John invented Flip Lok after an active shooter hit too close to home. Too often women and family members are not safe and protected in their own homes. Their goal was to create a simple and universal solution for security in the home, school and office. Flip Lok has a commercial version and is available for schools and school districts. Flip Lok is a certified Women Owned Business