Feature: 1. Semiconductor active fingerprint lock, unique biological red light recognition technology, makes fingerprint identification more accurate and safer. 2. It can replace most standard door locks, suitable for left opening and right opening doors (left or right opening is adjustable). 3. With emergency charging port, prevent power shortage. 4. Exquisite workmanship, fine texture, provides glossy and comfortable touch feeling. 5. Simple installation with screw, no need of wiring and driling, save time and effort. Specification: Condition: Brand New Item Type: Fingerprint Door Lock Material: Zinc Alloy Color: As picture shown Fingerprint Reader: Semiconductor Fingerprint Reader Number of Fingerprints: 30 Resolution: 508DPI Door Opening: Fingerprint, Key Supply Voltage: 6V Operating Current: ＜ 250mA Standby Current: 40uA FRR: 0.001% FAR: 0.001% Fingerprint Comparison: 1:Nn Low Voltage Alarm: 4V Operating Temperature: -20℃- 70℃ Relative Humidity: 20%-90% Backup Power Supply: USB Port, for Android PortBattery: 4 x AAA batteries (Not included)Door Thickness: 3.5-4.5cm/1.4-1.8in Lock Body Size 58 x 43mm/2.3 x 1.7in Door Hole: Single Hole Instructions 1. Unlock Verification successful: Green light on Verification failed: Red light on 2. Close the lock The lock will close after unlocking 5S 3. Add fingerprints (the first three fingerprint users are administrators, and the fourth or more fingerprint users are ordinary users) A. Adding a user for the first time: press the setting key, the blue light flashes, press your finger 5 times until the green light is always on B. Add for the second time: press the setting key , the blue light flashes, verify the administrator 1 time, the authentication is successful and the blue light is always on to enter a new fingerprint. 4.Delete fingerprints Press and hold the setting button for 9s, the blue light flashes, and after 9S, the red light flashes and turns green, but you can let go to indicate that the factory reset was successful 5.Mode switching Open normally open mode Long press the fingerprint head with the recorded fingerprint finger and execute the unlocking process (the middle finger cannot be released) until the red and blue lights flash. Verify the administrator's fingerprint again, the green light is on and the setting is successful. Close normally open mode Long press the fingerprint head with the recorded fingerprint finger and execute the unlocking process (the middle finger cannot be released) until the red and blue lights flash, verify the administrator's fingerprint again, the green light is on and the setting is successful Opening and closing door lock in normally open mode Any fingerprint that has not been entered for verification will be locked, and unlocked according to the entered fingerprint verification.. Package List: 2 x Lock1 x Lock Cyclinder2 x Key1 x Box1 x Sheet Iron1 x Installation Package Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.