







🔐 Secure your keys, empower your workflow—never miss a moment!
The Master Lock 5440EC is a portable, weather-resistant electronic lock box designed for realtors, property managers, and landlords. It offers Bluetooth and keypad code access without requiring Wi-Fi, supports up to 5 keys, and provides real-time monitoring and alerts via the Master Lock Vault App. Durable and compact, it’s perfect for short-term rentals and remote locations, combining convenience with enterprise-grade security.

| Brand | Master Lock |
| Special Feature | Portable |
| Lock Type | Electronic |
| Item dimensions L x W x H | 1.13 x 3.25 x 4.8 inches |
| Material | Metal |
| Recommended Uses For Product | Vacation rental properties, unmanned remote locations, real estate, and business applications with multiple locks and users |
| Style | Portable |
| Color | Silver & Black |
| Number of Pieces | 1 |
| Finish Type | Metal |
| Included Components | Lock box |
| Controller Type | Vera |
| Shape | rectangular prism |
| Item Weight | 0.5 Kilograms |
| Control Method | App |
| Connectivity Protocol | Bluetooth, Wi-Fi |
| UPC | 071649293009 |
| Model Name | 5440EC |
| Global Trade Identification Number | 00071649293009 |
| Manufacturer | Master Lock |
| Part Number | 5440EC |
| Item Weight | 1.1 pounds |
| Product Dimensions | 1.13 x 3.25 x 4.8 inches |
| Item model number | 5440D |
| Batteries | 1 CR123A batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | 3-1/4" |
| Finish | Metal |
| Pattern | Box |
| Item Package Quantity | 1 |
| Mounting Type | Portable |
| Special Features | Portable |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |
| Warranty Description | Limited One Year Warranty |
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