The Master Lock No

4400D Bluetooth Padlock features a 1-229/32 In

(47Mm

) wide metal body for durability

The 9/32 In

(7Mm

) diameter shackle 7/8 In

(22Mm

) vertical and is made of boron alloy, ing maximum resistance to cutting and sawing

The smartphone/app interface speed, ease of use, and greater control with the ability to share access; with keyless convenience

The locking mechanism features anti-shim technology, ing maximum security

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

The 1 year limited warranty provides peace of mind from a brand you can trust