I like the how-to video for setting the combination. How do I open the U-lock hasp to secure it to the door, hose bib, etc?

Simply rotate the combination given when you PURCHASED the lock......pull....and it opens. Also, your own combination number is easy to set with knob inside of unit.

My house key is 2.5 inches long X 1 inch wide and shaped like a car key. Would my house key fit in this product?

The box is 3" x 2 1/2" x 1 1/2" deep, plus some additional space at the top. You should be able to fit the key in.

Can the code be changed?

Yes, easily. When you open the keybox you slide a lever over and then change the combination to anything you want, then slide the lever back and you are done. So you can use the keybox at different properties and never have the same code.

How does this work? Want to use it when I leave an elderly relative home in case fall alert is triggered.

It is a sturdy combination lock which you attach to the outer door handle. Give the customizable combination to your fall alert company, local emergency personnel, and other trusted persons. It works great

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🔐 Unlock peace of mind with Master Lock’s sleek, no-fuss key safe!

SPACIOUS KEY CAPACITY - Securely store 5 or more keys, perfect for home, office, or car access management.
BATTERY FREE RELIABILITY - No batteries needed—always ready when you are, no downtime or fuss.
COMPACT PORTABLE DESIGN - Slim 3.3-inch width fits discreetly anywhere—security that blends in.
DURABLE METAL CONSTRUCTION - Rugged metal body built to withstand daily use and keep your keys safe.
EFFORTLESS 4 DIGIT DIAL ACCESS - Set your unique code in seconds—no tech headaches, just instant security.

The Master Lock 5400D is a compact, metal key safe featuring a user-friendly 4-digit dial lock that secures 5 or more keys without batteries. Its durable build and portable size make it ideal for professional and home use, ensuring reliable, hassle-free key management.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

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Color	multicolor (black / silver)
Size	Pack of 1
Manufacturer	Master Lock
Material	Metal
Item Weight	454 g
Product Dimensions	3.81 x 8.26 x 15.88 cm; 453.59 g
Package Weight	0.53 Kilograms
Batteries Required	No
Batteries Included	No

Master Lock 【正規輸入品】ダイヤル式キーセーフ 5400D [並行輸入品]

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Master Lock 【正規輸入品】 ダイヤル式キーセーフ 5400D [並行輸入品]

Details

Description

Specifications

Have a Question? See What Others Asked

Reviews

Common Questions

Master Lock 【正規輸入品】ダイヤル式キーセーフ 5400D [並行輸入品]