Master Lock® 4401DLH Bluetooth Padlock, Outdoor, Black/Silver, 2.21" Width Item: MLK4401DLH

• CR2450 Cell Battery
• Use your smartphone to open your lock with the free Master Lock Vault eLocks app.
• Never worry about a forgotten combination.
• Share access with others, temporary or permanent.
• Share 24/7 access or limit to days or nights.
• Monitor access history and receive tamper alerts.

Features a 2 7/32 inch (56mm) wide metal body for durability. The 11/32 inch (9mm) diameter shackle offers 2 inch (51mm) vertical clearance and is made of boron alloy, offering maximum resistance to cutting and sawing. The smartphone/app interface offers speed, ease of use, keyless convenience and greater control with the ability to share access. The locking mechanism features anti-shim technology, offering maximum security. A two-piece weather cover offers maximum outdoor protection.