Master Lock Bluetooth Zinc Padlock, 7mm Shackle, 47mm Body

The Master Lock 4400D Bluetooth Smart Padlock Made for use in indoor conditions features a 47mm wide metal body. The 7mm diameter shackle offers 22mm vertical clearance and is made of boron alloy, offering maximum resistance to cutting and sawing. Great for preventing access to your locker, cabinets, doors - whatever you need. The smartphone/app interface offers speed, ease of use, and greater control with the ability to share access and monitor activity, with keyless convenience. The locking mechanism features anti-shim technology, offering maximum security.