The Master Lock 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. The smartphone/app interface offers speed, ease of use, and greater control with the ability to share access, with keyless convenience. The locking mechanism features anti-shim technology, offering maximum security. The 1 Year Limited Warranty provides peace of mind from a brand you can trust.

Features:
• The free Master Lock® Vault Home App is designed for personal use, supporting up to 10 locks
• 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
• Backup access using directional code on lock keypad
• 2-piece weather cover for maximum outdoor protection
• Low battery notification & reminder on padlock and in app
• Comes with easy to replace CR2 battery
• Battery jump allows for temporary access if battery dies while locked
• Best used for:
     o    Outdoor storage and fences
     o    Tools, job boxes, and gang boxes
     o    Self-storage units and lockers
     o    Bike locks