Master Lock Padlock, Indoor Personal Use Bluetooth Lock, 1-29/32 in. Wide, 4400D
- ...onitor activity, and receive tamper and low-battery alerts all from your free Master Lock Vault Home app for Android and iOS. Designed for personal use, supporting up to 10 locks.
- Padlock includes metal body construction, boron carbide shackle, and anti-shim locking mechanism for improved strength and security.
- Plus military-grade Bluetooth authentication and encryption.
- 9/32 in. diameter shackle with 7/8 in. length, 13/16 in. width.
- For answers to frequently asked questions, troubleshooting, and technical support, see document titled User Guide in the technical specifications section of this page.
- 1/21/20 app update: Master Lock launched Master Lock Vault Home to replace Master Lock Vault eLocks. Master Lock Vault Home features an enhanced user experience, improved functionality, and allows you to import your locks and guests from your current account.