General description The Master Lock Bluetooth® Indoor Padlock is designed for durability and security, featuring a robust 47mm wide metal body and a boron alloy shackle that provides maximum resistance to cutting and sawing. This innovative padlock allows you to manage access through your smartphone using the Master Lock Vault Enterprise app, eliminating the need for keys or combinations. Technical specifications Body Width: 47mm Shackle Diameter: 7mm Shackle Height: 22mm Shackle Width: 21mm Depth: 27mm Height (including shackle): 80mm Vertical shackle clearance: 22mm Horizontal shackle clearance: 22mm Battery: CR2450 (replaceable) Battery life expectancy: up to 2 years Indoor use only Usage The padlock can be opened via your smartphone, allowing you to share access with friends, family, or contractors securely. You can grant permanent access, restricted time access, or a one-time entry code. In case someone does not have a smartphone, you can provide them with a one-time directional