The Master Lock No. 4401LHEC Bluetooth Padlock features a 2-7/32in (56mm) wide metal body for durability. The 11/32in (9mm) diameter shackle offers 2in (51mm) vertical clearance and is made of boron alloy, offering maximum resistance to cutting and sawing. Secure your home or business with the Master Lock Vault System for unmatched security, simplicity and accountability using the latest in Bluetooth lock technology from Master Lock. These locks withstand physical attacks and hacks, protecting your property with military grade encryption and high-security features.
- The free Master Lock Vault Home iOS and Android apps are designed for personal use, supporting up to 10 locks, and allow you to monitor access history
- No keys to lose, no combinations to forget. No unauthorized key duplication.
- Share access with others - temporary or permanent