Master Lock Padlock
The Master Lock No. 4400D Bluetooth Padlock features a 1-29/32 in. (47mm) wide metal body for durability. The 9/32 in. (7mm) diameter shackle offers 7/8 in. (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.
Use your smartphone to unlock this Bluetooth padlock, or enter a directional code on lock keypad if your smartphone isn’t present. Locker Mode setting allows for smartphone storage inside a locker.