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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


Po, Bluetooth, Electronic,


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Master Lock 4400D Indoor Bluetooth Smart Padlock

Master Lock 4400D Indoor Bluetooth Smart Padlock