2Ways To Unlock Lucklock APP Unlock Fingerprint Lock Dimension Product Specification View the Gallery Product Specification: Material: Lock: Aluminium Alloy, Shackle: CR40" Size: 117X46X 26mm Fingerprint Sensor Size: 10.4x10.4mm FRR: <1% FAR: <0.002% Unlock Time: <300mS Fingerprint Number: 40 group of fingerprints Unlock Method: Fingerprint, Bluetooth Standby Time: 6 Months Battery: Polymer Battery 300 MAH Waterproof Grade: IP65