Product dimension showed 9.2 x 5.2 x 1.9 inches, hard to believe this is correct. Can anybody please tell me the exterior dimension?

The exterior dimension is 4-3/4 in. (12 cm) H x 3-1/4 in. (8.3 cm) W x 1-1/2 in. (3.8 cm) D

can you mount this on a door?

You can mount it on a door if you can do so securely. I would not recommend mounting it on a hollow core door. A metal door maybe. It would be best to mount it on the door facing. It works out well there for me.

How do you get this out of plastic package? Yes, I am serious.

Just cut around the circle as marked in the back. You'll be able to see the place where the two plastic zip ties meet. You can cut through these with a sharp blade. Once that's cut you'll be able to remove the Master Lock from the plastic packaging. Good luck!

Can numbers be used more than once in a combinatio? For example, could my combination be 3531?

Amazon has this question incorrectly shared with model 5401D combination lock. On the PUSH button lock you cannot use the same number twice. On the combination lock you can choose from 0 to 9 on each of the dials so 3531 would work fine. I have one of these and am buying a second one for a garage lockbox. I like this version over the push button exactly because of the flexibility of the combination.

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Master Lock Set Your Own combination Wall Mount Lock Box, 5 Key capacity, Black 5401EC

Product ID: 1555409

Details

Brand
Master Lock
Item dimensions L x W x H
1.5 x 3.27 x
Lock Type
Combination
Material
Metal
Special Feature
Passcode

🔒5-key capacity secure storage

🔢custom 4-digit combination lock

🛠️wall-mount installation for permanence

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Description

🔐 Lock in peace of mind — your keys, your code, your control.

SET RESET YOUR OWN CODE - Thousands of personalized 4-digit combinations for ultimate control.
DURABLE METAL CONSTRUCTION - Weather-resistant metal body with shutter door protects against elements.
SECURELY STORE UP TO 5 KEYS - Keep your essentials safe with ample capacity for multiple keys.
EFFORTLESS WALL MOUNT INSTALLATION - Includes mounting hardware for a sturdy, tamper-resistant setup.
TRUSTED BRAND WITH LIFETIME WARRANTY - Master Lock reliability backed by a limited lifetime warranty.

The Master Lock 5401EC is a robust, wall-mountable key lock box designed for secure storage of up to five keys. Featuring a customizable 4-digit combination lock with thousands of code options, it offers keyless convenience and enhanced security. Its metal body and shutter door protect against weather and tampering, making it ideal for both indoor and outdoor use. Easy to install with included hardware and backed by a limited lifetime warranty, this lock box is a trusted solution for professionals seeking reliable, long-term key management.

Specifications

ASIN	B0002YP1UI
Additional Features	Passcode Unlock
Best Sellers Rank	#1,563 in Office Products ( See Top 100 in Office Products ) #5 in Security Lock Boxes
Brand Name	Master Lock
Color	Black
Control Method	App
Controller Type	Hand Control
Customer Reviews	4.7 4.7 out of 5 stars (6,626)
Finish Types	Polished
Included Components	Lock Box
Item Dimensions	1.5 x 3.27 x 4.72 inches
Item Type Name	Set Your Own Combination Wall Mount Lock Box
Item Weight	16 ounces
Lock Type	Combination Lock
Manufacturer	Master Lock
Manufacturer Part Number	5401EC
Manufacturer Warranty Description	Limited Lifetime Warranty
Material Type	Metal
Model Name	5401D
Model Number	5401D
Number of Pieces	1
Recommended Uses For Product	Home
Shape	Rectangular
Smart Home Compatibility	Not Smart Home Compatible
Style Name	Standard Dial
UPC	636123861282 071649376702 642125235310 804993522866 640026239284 689530457357 100012605719 071649215421 641438450144 762319853561 745332605553 094718114074 071649214523 638084727638 716080048381 640206480239
Unit Count	1 Count

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In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Nicaragua.

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