The Master Lock 4401DLH Bluetooth Padlock features a 2-7/32in (56mm) wide metal body for durability. The 11/32in (9mm) diameter shackle offers 2in (51mm) vertical clearance and is made of boron alloy, offering maximum resist...

Buy Now From Amazon

Product Review

The Master Lock 4401DLH Bluetooth Padlock features a 2-7/32in (56mm) wide metal body for durability. The 11/32in (9mm) diameter shackle offers 2in (51mm) 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 provides peace of mind from a brand you know and can trust.

  • For indoor and outdoor use; all-weather lock is best used for residential gates, sheds, garages, outdoor storage lockers and tool chests
  • Use your smartphone to unlock Bluetooth padlock, or enter directional code on lock keypad for easy backup entry when your smartphone isn't present (Wi-Fi connection is not required to operate)
  • Share temporary or permanent access via Bluetooth or keypad code with invited guests , monitor activity, and receive tamper and low-battery alerts all from your free Master Lock vault elocks app for Android and iOS. Designed for personal use, supporting up to 10 locks
  • Padlock includes a 2-piece weather cover, metal body construction, boron Carbide shackle, and anti-shim locking mechanism for improved strength, security, and weather resistance; Plus military-grade Bluetooth authentication and encryption
  • 2-7/32 in. wide lock body; 11/32 in. diameter shackle with 2 in. length, 15/16 in. width; extended length shackle for application flexibility; For answers to frequently asked questions, 2018 firmware updates, troubleshooting, and technical support, see document titled User Guide in the technical specifications section of this page

Similar Products

Master Lock Lock Box, Electronic Wall Mount Key Safe with Personal Use Software Platform, 3-1/4 in. Wide, 5441DMaster Lock Lock Box, Electronic Portable Key Safe with Personal use Software Platform, 3-1/4 in. Wide, 5440DeGeeTouch NFC Fobs/Tags for All eGeeTouch Smart Locks, Waterproof (with Keychain)Master Lock 4400D Indoor Bluetooth Smart Padlock, 2-Inch Wide Body, 7/8-Inch Shackle Height, 9/32-Inch Diameter ShackleMaster Lock Padlock, dialSpeed Set Your Own Combination Digital Lock, 2-1/16 in. Wide, Assorted Colors, 1500eXDEnergizer CR2 Lithium Battery, Pack of 2Master Lock Cable, Steel Cable With Looped Ends, 4 ft. Long, 85DPFPanasonic CR2 Photo Lithium 3V Batteries for Mini 25 Mini 50 Mini 50S Mini 55 Pivi MP-100 & SP-1- Silver (Pack of 6)Lutron Caseta Wireless Dual-Pedestal for Pico Remote, L-PED2-WH, WhiteMaster Lock M175XDLF Heavy Duty Outdoor Combination Lock, 1-1/2 in. Shackle, Brass Finish