Why wouldn't this work on an outswinging door?

If it is placed in the interior, you will be able to open the door and go out. If it is placed on the outside of the house, people would be locked inside as it could only be opened from the outside. If you are putting this on a shed or a cupboard, for example, then locking it from the outside would be fine.

Can this be used on double entry doors?

It is designed for a single door installation and is not advised for your use. The base plate have longer screws that could be too long for the inactive door it is mounted to.

Will this latch affect pre-installed alarm sensors? We wouldn’t want the alarm to accidentally be triggered by it!

The alarm system sensor is usually installed at the top of a door that is ~6’6” and the latch can be installed beloe the 5’ mark to allow unhindered visibility. That leaves more than 18” of clearance to ensure that the sensor is not affected. If I’m not mistaken, the sensor on the jam senses a magnet on the door. If steel affected these sensors then they could never be installed on steel doors. This latch has no magnetic components, so the likelihood of interference is abysmally low.

Will this latch a door completely closed? I want to latch pull-down cabinets built into a ceiling (sort of like overhead bins on a plane).

It is designed to slide open so it will not keep the door completely closed.

Defender Security Swing Bar Door Guard With High Security Auxiliary

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Description

🔐 Lock in safety and style—because your home deserves the best guard on duty.

UNMATCHED STRENGTH - Engineered to withstand 800 lbs. of force, this lock is your home's first line of defense against forced entry.
SLEEK DURABLE DESIGN - Finished in satin nickel, it blends modern style with heavy-duty zinc construction for lasting protection.
EFFORTLESS INSTALLATION - Comes with 3-inch hardened screws and clear instructions for a secure setup in minutes—no hassle, just peace of mind.
CHILD SAFE TAMPER RESISTANT - Spring-loaded design installs high on the door, keeping curious hands out and intruders locked out.
UNIVERSAL FIT FOR SWING IN DOORS - Compatible with any door thickness, ensuring versatile security wherever you need it most.

The Defender Security Swing Bar Door Guard (U 11316) is a heavy-duty auxiliary lock designed to reinforce swing-in doors with up to 800 lbs. of force resistance. Featuring a sleek satin nickel finish and zinc construction, it includes hardened 3-inch screws for quick installation. Its child-safe, tamper-resistant spring-loaded design offers enhanced security for any door thickness, making it a trusted choice for millennial professionals seeking reliable, stylish home protection.

Specifications

ASIN	B071XJS8S4
Additional Features	Heavy Duty
Best Sellers Rank	#41,573 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,341 in Door Hardware & Locks
Brand	Defender Security
Brand Name	Defender Security
Color	Satin Nickel
Control Method	Touch
Customer Reviews	4.6 out of 5 stars 2,868 Reviews
Finish Types	nickel finish
Global Trade Identification Number	00049793113160
Included Components	door guard, fasteners
Item Dimensions	10.7 x 3.2 x 6.3 centimeters
Item Type Name	Swing Bar Door Guard With High Security Auxiliary Lock
Item Weight	0.56 Pounds
Item dimensions L x W x H	10.7 x 3.2 x 6.3 centimeters
Lock Type	Auxiliary
Lock type	Auxiliary
Manufacturer	Prime-Line
Manufacturer Part Number	U 11316
Material	Zinc
Material Type	Zinc
Model Name	U 11316
Model Number	U 11316
Number of Items	1
Number of Packs	1
Number of Pieces	1
Recommended Uses For Product	Lock
Recommended uses for product	Lock
Shape	Semicircular
Special features	Heavy Duty
Style Name	Door Guard
UPC	049793113160
Unit Count	1 Piece

Reviews

R**G

Awsome

25.03.2023

K**J

good

25.02.2022

B**I

It's ok

Bulky

15.09.2023

M**.

Strong, sturdy, well built.

Better than the chai I had. Good quality.

30.07.2026

D**Y

Très résistant

Fonctionne bien fais son travaille

4.12.2025

J**O

Quality of material

Functional and great quality

29.07.2026

W**R

Pretty simple to install, feels super solid

I don't think anyone is going to get past this lock without expending a lot of time and energy and making one hell of a racket.

22.08.2024

J**L

solid build

Its robust and great quality

20.02.2024

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