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 NewItem Type: Fingerprint Door LockMaterial: Zinc AlloyColor: As picture shownFingerprint Reader: Semiconductor Fingerprint ReaderNumber of Fingerprints: 30Resolution: 508DPIDoor Opening: Fingerprint, KeySupply Voltage: 6VOperating Current: 250mAStandby Current: 40uAFRR: 0.001%FAR: 0.001%Fingerprint Comparison: 1:NnLow Voltage Alarm: 4VOperating Temperature: -20- 70Relative Humidity: 20%-90%Backup Power Supply: USB Port, for Android PortBattery: 4 x AAA batteries (Not included)Door Thickness: 3.5-4.5cm/1.4-1.8inLock Body Size 58 x 43mm/2.3 x 1.7inDoor Hole: Single HoleInstructions1. UnlockVerification successful: Green light onVerification failed: Red light on2. Close the lockThe lock will close after unlocking 5S3. 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 onB. 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 fingerprintsPress 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 successful5.Mode switchingOpen normally open modeLong 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 modeLong 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 successfulOpening and closing door lock in normally open modeAny 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 PackageNote: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.