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Master Lock

Master Lock 4400D Indoor Bluetooth Smart Padlock


Item normally ships out within 1-2 Weeks (excluding transit time). If out of stock it can take up to 3-4 weeks (excluding transit time). Specific options may or may not increase shipping time. For any reason, if there is a delay in shipping time we will notify you. Feel free to contact us if you have any concerns.


40% Off


Details: Master Lock 4400D Indoor Bluetooth Smart Padlock

Product Features

  • 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
  • Compact footprint fits most lockers
  • Hardened boron alloy shackle for superior cut resistance

Product Details

The Master Lock No. 4400D Bluetooth Smart® 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 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.


Retail Carded Packaging
Shelf Pack Qty
Body Width
1-29?32in (47mm)
Shackle Dimensions
A: 9?32in (7mm) B: 7?8in (22mm) C: 13?16in (20mm)
Silver and Black

Master Lock Bluetooth® Smart Padlocks


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Master Lock 4400D Indoor Bluetooth Smart Padlock

Master Lock 4400D Indoor Bluetooth Smart Padlock