Master Lock 5424D

SafeSpace Portable Light-Up Dial Lock Box

Reviews (1) | Customer Questions (2)


Seeing is deceiving when you can’t make out the digits. SafeSpace ends incorrect combo entries. Open the weather cover and the dials light up. Secure storage in dark and low-light conditions, the SafeSpace lock box controls access with smooth turning, large easy to read illuminated dials. No need to spend another moment agonizing over whether you can get in.

In stock

SKU: 5424D
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  • Portable lock box provides secure storage of keys or access cards – also available in wall mount model
  • Large easy to read light-up, set-your-own combination dials for better visibility, especially in low light conditions
  • Dials light up automatically each time the weather cover is opened
  • Removable shackle for easy installation
  • 2-7/8in (72mm) Wide durable metal construction
  • Large Open Lever for more comfortable use
  • Durable weather cover prevents freezing and jamming
  • Vinyl coated shackle and molded bumper prevents scratches to your door
  • Easy to replace battery with CR2032 installed


GoKeyless™ is a factory trained and authorized Master Lock® dealer. Sales, service, support, valid warranties. It's why thousands of clients around the world choose GoKeyless™ for their security and access control needs each year.

The Master Lock No. 5424D Portable Light-Up Dial Lock Box features a 2-7/8in (72mm) wide metal body for durability. The shackle design offers over the door mounting for convenience. The large, easy to read light-up dials, combined with resettable combination functionality, provide a secure storage location for spare keys and access cards. The Limited One Year Warranty provides peace of mind from a brand you can trust.

Inside Dimensions

4-3/16 (H) x 2-3/8 (W) x 1 (D) in.

Shackle Dimensions

1 11/16 (H) x 1-13/32 (W) x 3/8 (D) in.

Code Length

4 digits

Battery Type



Master Lock


Master Lock


1.35 lbs


1 Year Manufacturer

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Customer Questions & Answers

  1. Q Can the lock support multiple user codes at the same time? answer now
    Asked by mike on December 20, 2021 9:05 PM

    This model can only support one user code at a time. 

  2. A

    The battery is only used to power the light up combination keys. It comes with and uses one CR2032 3 Volt Lithium Coin Cell Battery. The lock will function without the battery. 

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