The Master Lock No. 4400ENT Bluetooth® Padlock features a 1-29/32in (47mm) wide metal body for durability. The 9/32in (7mm) diameter shackle offers 7/8in (22mm) vertical clearance and is made of boron alloy, offering maximum resistance to cutting and sawing. The Master Lock Vault Enterprise system is designed to support <b>Many Locks and Many Users</b> with unmatched security, simplicity and accountability. Administrators control individual or system-wide lock access with our convenient web interface, while users enjoy simple, secure access to assigned locks or lock boxes.
- Includes Master Lock Vault Enterprise IOS and Android app, and web interface, designed for business applications working with many locks and many users.
- Use your smartphone to open and manage your lock with the Master Lock Vault Enterprise app
- No keys to lose, no combinations to forget. No unauthorized key duplication.
- Backup access using directional code on lock keypad
- Share access with others - temporary or permanent
- Easily monitor access with robust data and audit trails
- Low battery notification & reminder on padlock and in app
- Comes with easy to replace CR2450 battery
- Battery jump allows for temporary access if battery dies while locked