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🔐 Unlock smarter, not harder — your keys, your rules.
The Master Lock 5440EC is a durable, weather-resistant Bluetooth-enabled lock box designed for realtors, property managers, and landlords. It securely stores up to 5 keys or key cards, offers app-based access control without Wi-Fi, real-time monitoring, tamper alerts, and integrates with enterprise scheduling platforms—perfect for managing short-term rentals and remote properties with ease.
| ASIN | B071VGZ283 |
| Additional Features | Portable |
| Best Sellers Rank | #15,440 in Office Products ( See Top 100 in Office Products ) #54 in Security Lock Boxes |
| Brand Name | Master Lock |
| Color | Silver & Black |
| Connectivity Protocol | Bluetooth, Wi-Fi |
| Control Method | App |
| Controller Type | Vera |
| Customer Reviews | 4.0 4.0 out of 5 stars (625) |
| Finish Types | Metal |
| Global Trade Identification Number | 00071649293009 |
| Included Components | Lock box |
| Item Dimensions | 1.13 x 3.25 x 4.8 inches |
| Item Type Name | Electronic Portable Lock Box with Personal use Software Platform |
| Item Weight | 0.5 Kilograms |
| Lock Type | Electronic |
| Manufacturer | Master Lock |
| Manufacturer Part Number | 5440EC |
| Manufacturer Warranty Description | Limited One Year Warranty |
| Material Type | Metal |
| Model Name | 5440EC |
| Model Number | 5440D |
| Number of Pieces | 1 |
| Recommended Uses For Product | Vacation rental properties, unmanned remote locations, real estate, and business applications with multiple locks and users |
| Shape | rectangular prism |
| Style Name | Portable |
| UPC | 071649293009 |
| Unit Count | 1.0 Count |
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