Master Lock Vault Enterprise

Lock Box and software for many locks and many users.

Smart. Simple. Secure. Advanced Security and Access-Management System.

Bluetooth® Wall Mount Lock Box

Model No. 5441EUREC

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Flexible Asset Management

Whether it’s one lock or thousands, Master Lock Vault Enterprise provides unmatched security, simplicity and accountability. Administrators control individual or system-wide lock access with our convenient web interface, while users enjoy simple, secure access to assigned locks or lock box with the Master Lock Vault Enterprise app.


Share permanent or temporary access with our app that turns smartphones into smart keys.


Easily assign users and devices to unique access groups, on demand.


Enjoy system-wide customization, including the ability to overlay groups for efficient access management.

Door Step
Access Code Lock on Wall

Ideal access control for:

  • Real Estate Sales
  • Commercial Property
  • Facilities
  • Manufacturing
  • Job Sites

Features & Benefits:

Advanced security and access-management system


  • Efficiently manage access to ensure the right users have the right access
  • Simplify security set-up with bulk user and lock uploads
  • Automatically map lock and lock locations via smartphone
  • Easily monitor access with robust data and audit trails
  • Assured back-up entry method using manual directional codes
  • Leverage the security of 256-bit military-grade encryption
  • No secondary key card
  • Large storage capacity for keys and key cards
  • Easily replaceable long-life battery


Lock Dimensions
Full Height 80mm 135mm 127mm
Body Height 50mm 74mm 127mm
Body Width 47mm 56mm 83mm
Body Depth 27mm 28mm 59mm
Internal Compartment Dimensions
Height 91.4mm
Width 63.5mm
Depth 27.9mm
Cubic Capacity 124.5cu cm
Shackle Dimensions
Height 22mm 251mm N/A
Width 20mm 23mm N/A
Diameter 7mm 9mm N/A
Technical Specifications
Weight .229kg .353kg 1.1kg
Operating Temp. -4° to 65°C -25° to 65°C -40° to 52°C
Battery Type CR2450 CR2 CR123A
Jump Battery CR2450 9V 9V
Opening Code Types
Primary 1 1 1
Secondary 0 0 5
Temporary 1 1 1
Software Compatibility
IOS Version: 10 or later. Device: 6 or later. ANDROID Version: 5 or later. Device: Various. Web Management: Chrome, Safari, Firefox, Internet Explorer (Edge).