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2" Bluetooth Enabled Smart Padlock

  • Item # 5438501
  • Model # 4400D
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Wow – where will technology take us next? The Master Lock No. 4400D Bluetooth 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. And don't worry about the battery running out. There is backup access using directional code on lock keypad; low battery notification & reminder on padlock and in app; and a battery jump that allows for temporary access if battery dies while locked. It comes with an easy to replace CR2450 battery.

Details + Specification

  • Share limited or permanent access with others
  • Monitor access history, receive tamper alerts
  • Backup access with directional keypad
  • Low battery reminder on padlock and app
  • Easy to replace battery
  • Compact footprint fits most lockers
  • Hardened alloy shackle for superior cut resistance
  • For indoor use only
  • App is available in the Apple app store and the Google Play store
  • 1 x CR2450 battery
  • 1-29/32"
Free Shipping to Stores

Free Shipping to Stores

Pick-Up is Easy

Pick-Up is Easy

Free Returns

Free Returns