Master Lock 4400D Bluetooth Smart Padlock, 1-29/32" Wide

Pricing and Options

Master Lock 4400D Bluetooth Smart Padlock, 1-29/32" Wide

Brand Name


Price Information


Financing Option

Pay it off in up to 24 months with the Overstock Store Credit Card. Learn More

Delivery Estimates

Free Shipping*
Want a shipping estimate?

Option Selection

Get $2.87 in Rewards
Start 30 day free trial. $19.95/year.

Add to Cart Button

Product Information


The Master Lock® Bluetooth Smart® Padlock features a 1-29/32" (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, and greater control with the ability to share access; with keyless convenience. The locking mechanism features anti-shim technology, offering maximum security.

  • 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
  • Backup access using directional code on lock keypad
  • Low battery notification and 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.


  • Shackle Diameter (A): 9/32" (7mm)
  • Shackle Clearance (B): 7/8" (22mm)
  • Shackle Width (C): 13/16" (20mm)
  • Battery: CR2450
  • Packaging: Retail Carded
  • Body Width: 2-1/8" (54mm)

Best Used For:

  • Indoor Storage Lockers
  • Cabinets
  • School, Employee, and Athletic Lockers.

While we aim to supply accurate product information, it is sourced by manufacturers, suppliers and marketplace sellers, and has not been provided by Overstock.

Country of Origin: United States

Item #: 30737849


Related Searches