Master Lock Biometric Padlock 4901EURDLHCC • Biometric access for personalised security - your finger is the key • Supports up to 10 fingerprints for multi-user access • Backup access using directional code on lock keypad • 2-piece weather cover for maximum outdoor protection • Light indicators identify key notifications - fingerprint acceptance, low battery alerts • Comes with easy to replace CR2 battery • Battery jump allows for temporary access if battery dies while locked