---
product_id: 187467335
title: "Home Security Door Lock Reinforcement - Child Proof High Security Door Locks with 3\" Stop Withstand 800 lbs for Inward Swinging Front Door, Night Kids Safety Metal Flip Deadbolt Latch Defend Home"
brand: "winonly"
price: "$64"
currency: NZD
in_stock: true
reviews_count: 8
category: "Winonly"
url: https://www.desertcart.nz/products/187467335-home-security-door-lock-reinforcement-child-proof-high-security-door
store_origin: NZ
region: New Zealand
---

# 5-min easy installation Childproof safety design 800 lbs force resistance Home Security Door Lock Reinforcement - Child Proof High Security Door Locks with 3" Stop Withstand 800 lbs for Inward Swinging Front Door, Night Kids Safety Metal Flip Deadbolt Latch Defend Home

**Brand:** winonly
**Price:** $64
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock down your peace of mind—because your home deserves next-level security!

## Quick Answers

- **What is this?** Home Security Door Lock Reinforcement - Child Proof High Security Door Locks with 3" Stop Withstand 800 lbs for Inward Swinging Front Door, Night Kids Safety Metal Flip Deadbolt Latch Defend Home by winonly
- **How much does it cost?** $64 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/187467335-home-security-door-lock-reinforcement-child-proof-high-security-door)

## Best For

- winonly enthusiasts

## Why This Product

- Trusted winonly brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Fit:** Perfect for inward-swinging doors including front, patio, and apartment doors—measure first for flawless fit.
- • **Sleek & Subtle:** Minimalist aluminum design blends seamlessly with your door frame—security without compromise.
- • **Effortless Setup:** Install in under 5 minutes with just a drill and screwdriver—no hassle, no stress.
- • **Kid-Safe Security:** Spring-loaded childproof lock keeps curious little ones safely inside, preventing accidental escapes.
- • **Unmatched Strength:** Withstands 800 lbs force—12x stronger than standard deadbolts for ultimate protection.

## Overview

The WINONLY Home Security Door Lock Reinforcement is a robust, childproof metal deadbolt latch designed for inward-swinging doors. Featuring a 3-inch stop that withstands up to 800 lbs of force, it offers 12 times the strength of typical deadbolts. Easy to install in under 5 minutes with included hardware and instructions, it ensures quick, reliable protection. Its spring-loaded child safety mechanism prevents kids from opening doors unsupervised, making it ideal for families. Crafted from durable aluminum with a sleek profile, it fits most inward-opening doors with a flush frame and a minimum 0.07" gap, enhancing home security and peace of mind effortlessly.

## Description

Home Security Door Lock Reinforcement - Child Proof High Security Door Locks with 3" Stop Withstand 800 lbs for Inward Swinging Front Door, Night Kids Safety Metal Flip Deadbolt Latch Defend Home - desertcart.com

Review: Peace of Mind for Both Security and Kids! - I absolutely love this door reinforcement lock! Installation was quick and easy — I had it up and working in under 10 minutes. The build quality is solid and feels extremely durable. It adds a serious layer of security to the door, making it nearly impossible for someone to force their way in from the outside. What really sets it apart for me is that it's also child-proof. I have a curious toddler who’s always testing boundaries, and this lock gives me peace of mind knowing he can’t open the door and wander off. It's designed smartly — strong enough to keep intruders out, but simple for adults to use from the inside. Works really well. And for the price it is great. If you're looking for something that protects both your home and your kids, this is a fantastic choice. Highly recommend it! Also love the color and how it blends in with our door frame.
Review: Added comfort of additional security - The primary purpose of this lock reinforcement is to provide an additional layer of protection for your front door. The 3" stop, capable of withstanding 800 lbs of force, adds robustness to your existing door lock, making it significantly more resistant to forced entry. As a result, I feel much more secure knowing that my home is better protected against potential intruders. However, one of the standout features of this security lock is its childproof design. With its inward swinging flip lock mechanism, it prevents children from unlocking the door and wandering outside without supervision. As a parent, this added level of protection and peace of mind is invaluable. Installation was a breeze, thanks to the detailed instructions provided. The lock reinforcement is designed to be easily installed on most inward swinging doors, whether they are wooden or metal. No special tools or expertise are required, and it only takes a few minutes to secure the lock in place. The durability and reliability of this door reinforcement are commendable. It is made from sturdy and high-quality materials, ensuring long-lasting performance and effectiveness. Additionally, its sleek and unobtrusive design seamlessly blends with any door, maintaining the aesthetic appeal of your home while enhancing security. Another advantage of this product is its versatility. It is not limited to front doors alone but can also be installed on other inward swinging doors around your home, such as patio or apartment doors. This broadens its scope of use and ensures consistent security throughout your living space. Overall, the Home Security Door Lock Reinforcement is a wise investment for anyone looking to enhance home security and child safety. Its robust construction, easy installation, childproof design, and versatile compatibility make it an excellent choice for any homeowner. With this reinforcement in place, you can rest easy knowing that your home and loved ones are well-protected. Pros: 1. Provides additional security and reinforcement for front doors 2. Withstands 800 lbs of force with a 3" stop, enhancing resistance to forced entry 3. Childproof design prevents accidental unlocking and keeps children safe 4. Easy installation process with clear instructions 5. Sturdy and durable construction for long-lasting performance 6. Sleek and unobtrusive design complements any door 7. Versatile compatibility for inward swinging doors, including patios and apartments 8. Exceptional value for the added security and peace of mind it offers Cons: None that I have encountered

## Features

- Home Security, Sturdy Door Reinforcement Lock: 3" Stop metal home security door lock with 8 screws, including 4 long and 4 short, so you can choose according to your needs; The door latch lock can withstand a force of 800 lbs, which is 12 times stronger than a normal deadbolt, providing effective protection against forced entry. Front door lock makes you feel safe during the day or at night, enabling more relaxed rest; WINONLY door lock is an ideal choice for enhancing your home security
- Easy to Install, Easy to Use: With a power screwdriver and drill, you can install the door safety lock on the door frame within 5 minutes; The metal reinforcement door lock comes with an installation manual for your reference during the installation process; When the door is locked, reach out and press the upper and lower grooves of the reinforced door lock and pull horizontally to the fully unlocked state to unlock; This ensures quick unlocking in any situation, helping prevent accidents
- Childproof Lock Providing Peace of Mind: Reinforcement lock for front door features a child safety protection function; Door security lock unique spring-loaded design prevents children from opening the door to strangers; Door lock for door safeguards your children from potential dangers such as the streets or pools when you're away or occupied; And for the elderly or women living alone at home, door lock reinforcement also provides an additional sense of security, making people more at ease
- Check Door Fit Before Purchase: Before buying, please measure your door to ensure compatibility. The WINONLY Door Reinforcement Lock fits inward‑opening single doors that are flush with the frame, have a gap over 0.07", and a drillable frame. Not for outward‑opening, double, or non‑flush doors, gaps under 0.07", or undrillable frames. Measure first for the best fit and security
- Gift Ideas, Professional Service: The inward door lock is a unique, useful gifts for your family and friends, offering them security and peace of mind; The WINONLY customer service team will ensure that you have a satisfying shopping experience; If you have any questions during the purchase or use of our door locks, please feel free to contact us; With their professional insight and experience, our customer service team is dedicated to delivering tailored advice and solutions for your needs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | WINONLY |
| Item dimensions L x W x H | 1 x 2.43 x 3 inches |
| Lock Type | keyless |
| Material | Aluminum |
| Recommended Uses For Product | Inward-opening apartment door, bedroom door, front door, back door, patio door courtyard door, etc. |
| Special Feature | Anti-Bump, Resettable |

## Product Details

- **Brand:** WINONLY
- **Special Feature:** Anti-Bump, Resettable
- **Lock Type:** keyless
- **Item dimensions L x W x H:** 1 x 2.43 x 3 inches
- **Material:** Aluminum

## Images

![Home Security Door Lock Reinforcement - Child Proof High Security Door Locks with 3" Stop Withstand 800 lbs for Inward Swinging Front Door, Night Kids Safety Metal Flip Deadbolt Latch Defend Home - Image 1](https://m.media-amazon.com/images/I/61RZHpRDYzL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Peace of Mind for Both Security and Kids!
*by T***E on September 27, 2025*

I absolutely love this door reinforcement lock! Installation was quick and easy — I had it up and working in under 10 minutes. The build quality is solid and feels extremely durable. It adds a serious layer of security to the door, making it nearly impossible for someone to force their way in from the outside. What really sets it apart for me is that it's also child-proof. I have a curious toddler who’s always testing boundaries, and this lock gives me peace of mind knowing he can’t open the door and wander off. It's designed smartly — strong enough to keep intruders out, but simple for adults to use from the inside. Works really well. And for the price it is great. If you're looking for something that protects both your home and your kids, this is a fantastic choice. Highly recommend it! Also love the color and how it blends in with our door frame.

### ⭐⭐⭐⭐⭐ Added comfort of additional security
*by F***N on August 17, 2023*

The primary purpose of this lock reinforcement is to provide an additional layer of protection for your front door. The 3" stop, capable of withstanding 800 lbs of force, adds robustness to your existing door lock, making it significantly more resistant to forced entry. As a result, I feel much more secure knowing that my home is better protected against potential intruders. However, one of the standout features of this security lock is its childproof design. With its inward swinging flip lock mechanism, it prevents children from unlocking the door and wandering outside without supervision. As a parent, this added level of protection and peace of mind is invaluable. Installation was a breeze, thanks to the detailed instructions provided. The lock reinforcement is designed to be easily installed on most inward swinging doors, whether they are wooden or metal. No special tools or expertise are required, and it only takes a few minutes to secure the lock in place. The durability and reliability of this door reinforcement are commendable. It is made from sturdy and high-quality materials, ensuring long-lasting performance and effectiveness. Additionally, its sleek and unobtrusive design seamlessly blends with any door, maintaining the aesthetic appeal of your home while enhancing security. Another advantage of this product is its versatility. It is not limited to front doors alone but can also be installed on other inward swinging doors around your home, such as patio or apartment doors. This broadens its scope of use and ensures consistent security throughout your living space. Overall, the Home Security Door Lock Reinforcement is a wise investment for anyone looking to enhance home security and child safety. Its robust construction, easy installation, childproof design, and versatile compatibility make it an excellent choice for any homeowner. With this reinforcement in place, you can rest easy knowing that your home and loved ones are well-protected. Pros: 1. Provides additional security and reinforcement for front doors 2. Withstands 800 lbs of force with a 3" stop, enhancing resistance to forced entry 3. Childproof design prevents accidental unlocking and keeps children safe 4. Easy installation process with clear instructions 5. Sturdy and durable construction for long-lasting performance 6. Sleek and unobtrusive design complements any door 7. Versatile compatibility for inward swinging doors, including patios and apartments 8. Exceptional value for the added security and peace of mind it offers Cons: None that I have encountered

### ⭐⭐⭐⭐⭐ Must have for security
*by V***D on January 20, 2026*

Absolutely a game changer for being safe. These installed very easy. Looks just fine with my door, comes in several and I bought 3 different colors. Seamless, didn't take up any space to open and close doors. Very secure.

## Frequently Bought Together

- Home Security Door Lock Reinforcement - Child Proof High Security Door Locks with 3" Stop Withstand 800 lbs for Inward Swinging Front Door, Night Kids Safety Metal Flip Deadbolt Latch Defend Home
- Door Reinforcement Lock Withstands 800lbs of Force - White Extra Proof Door Lock for Kids Safety with 8 Screws Prevents Unauthorized Entry, Add a Door Security Lock for Home Safety & Privacy

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-08*