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The Master Lock 5441D is a robust electronic wall-mount key safe designed for indoor and outdoor use. Featuring Bluetooth and keypad access, it allows secure sharing and monitoring of keys via the Master Lock Vault Home app without requiring Wi-Fi. Its weather-resistant body withstands temperatures down to -40°F, while a spacious interior accommodates multiple keys or access cards. The lock supports up to 10 devices on the personal platform, with an optional upgrade for enterprise-level management.

| Product Dimensions | 20.57 x 13.46 x 5.33 cm; 1.18 kg |
| Item Weight | 1.18 Kilograms |
| Finish types | Polished |
| Is assembly required | No |
| Number of pieces | 1 |
| Batteries required | Yes |
| Included components | Lock box, mounting hardware |
| Import designation | Made in the USA |
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