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Master Lock

Master Lock 4400D Bluetooth Padlock

$ 40.99

Master Lock 4400D Bluetooth Smart Padlock For Indoor Use

The Master Lock No. 4400D Bluetooth Padlock features a 1-7/8" (47mm) wide metal body for durability. The 9/32" (7mm) diameter shackle offers 7/8" (22mm) vertical clearance and is made of boron alloy, offering maximum resistance to cutting and sawing. The smartphone/app interface offers speed, ease of use, & 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.

Product Video - General Information
Product Video - Get Started
Product Video - Register & Add Your Lock
Product Video - Add Guest Access
Product Video - Unlock Your Lock in Touch Model
Product Video - Unlock Your Lock in Swipe Mode
Product Video - Change Unlock Mode
Product Video - Low Battery Notification
Product Video - Replace The Battery, Indoor Model 4400D
Product Video - Replace The Battery, Outdoor Model 4401D
Product Video - Unlock With External Battery, Indoor Model 4400D
Product Video - Unlock With External Battery, Outdoor Model 4401D

  • 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 & receive tamper alerts
  • Backup access using directional code on lock keypad
  • 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
  • Locker Mode setting allows for storage inside a locker

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