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🔐 Unlock the future of indoor security with Master Lock’s smart Bluetooth padlock!
The Master Lock 4400D is a compact, indoor Bluetooth-enabled padlock designed for personal use on lockers and storage. Featuring keyless entry via smartphone app or keypad, it supports secure sharing and real-time tamper alerts. Built with a boron carbide shackle and military-grade encryption, it offers robust protection in a sleek, polished metal body.
| Brand | Master Lock Store |
| Special Feature | Keyless |
| Lock Type | Keypad |
| Item dimensions L x W x H | 3.2 x 2 x 1.4 inches |
| Material | Metal |
| Recommended Uses For Product | Security |
| Style | Indoor |
| Color | Silver and Black |
| Number of Pieces | 1 |
| Finish Type | Polished |
| Included Components | Master Lock - 4400EC |
| Controller Type | Android, Vera, iOS |
| Shape | Rectangular |
| Item Weight | 0.23 Kilograms |
| Control Method | App |
| Connectivity Protocol | Bluetooth, Wi-Fi |
| UPC | 071649266591 |
| Model Name | Master Lock - 4400EC |
| Global Trade Identification Number | 00071649266591 |
| Manufacturer | Master Lock Store |
| Part Number | Master Lock - 4400EC |
| Item Weight | 8.1 ounces |
| Product Dimensions | 3.2 x 2 x 1.4 inches |
| Item model number | 4400DMX |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | 1 Pack |
| Finish | Polished |
| Item Package Quantity | 1 |
| Special Features | Keyless |
| Batteries Included? | Yes |
| Batteries Required? | No |
| Battery Cell Type | Lithium Manganese Dioxide |
| Warranty Description | Limited 1 Year Warranty |
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