The Master Lock no. 4901DLH biometric padlock features a 2-7/32in (56mm) wide metal body for durability. The 11/32in (9mm) diameter shackle offers 2in (51mm) vertical clearance and is made of boron alloy, offering maximum resistance to cutting and sawing. The biometric interface provides the ultimate ease of use and convenience, with no keys to lose or combinations to remember. The padlock supports multiple fingerprints to enable multi-user access. The 1 year limited warranty provides peace of mind from a brand you can trust. • New biometric interface provides the ultimate in ease of use and convenience, with no keys to lose or combinations to remember – your finger is the key • Supports multiple fingerprints to enable sharing access with family, friends, or employees in a home, school or business environment • Directional keypad provides a backup form of entry • Light indicators identify key notifications – fingerprint acceptance, low battery alerts • Battery jump allows for temporary access if battery dies while locked, with easy to replace CR2 battery • Padlock includes outdoor weather cover, providing maximum protection against the elements UPC: 071649328732 Weight: 0.57 lbs RKU: LOW2551431