The Master Lock No. 4401EURLHEC Smart Padlock is the perfect solution to share access on fences, containers, toolbox, construction site access, industrial sites (water treatment, telecom antenna) and more. The padlock comes with the Master Lock Vault Enterprise App or the Master Lock Vault Home App (available on iOs and Android) and a web interface designed for business applications managing several devices and users. Use your smartphone to open and manage your padlock with the Master Lock Vault Enterprise app or share a permanent or temporary access code. The Master Lock Vault Enterprise system is designed to support many locks (5441EUREC, 4400EUREC, 4401EURLHEC) and many users with unmatched security, simplicity and accountability. Administrators control individual or system-wide lock access with the convenient web interface, while users enjoy simple, secure access to assigned locks or lock boxes. The interface enables key safe location with your smartphone, monitor access with robust data and receive low battery alerts. The outdoor padlock features a 56mm wide metal body for durability. The 9mm diameter shackle offers 51mm vertical clearance and is made of boron alloy, offering maximum resistance to cutting and sawing. The locking mechanism features anti-shim technology, offering maximum security. The Limited 2 Year Warranty provides peace of mind from a brand you can trust.