Dominating Trait: 1. Screen guidence: From the fingerprint confirmation to lock, it can display by virtue of the character and photo, so it can use conveniently. 2. Fingerprint state indication: If the indication colomn have the user fingerprint, it can be locked correctly. 3. One touch fingerprint recognization: The big difference between this kind of fingerprint lock and other fingerprint lock is this product is of living biology induction function. It means that only living biology fingerprint have right to open the system. 4. Prevention of secret number outflow: According to the human being temperature, it has direction button, there is no need of being afraid of being embezzeled. 5. Automatic lock & open function: The interior has the function of automatical lock. When you lock the door, it will be close automatically. 6. Adopt dual functions: The fingerprint lock interior have two systems. One is fingerprint system , the other one is digital system. Once the fingerprint system was spoiled by the exterior reason. The digital system can be startup automatically. 7. Power supply interception: If you press the secret code three times or the lock was spoiled, the interior siren will produce the alarm, meanwhile, the system will close automatically. And the interior automatic guard against theft system will startup. 8. Door standard installation: It is fit for installation of majority wood door and guard against theft door. 9. Battery self ?censoring function: You can know the battery capacity according to your eye in order that you can change battery in due time. 10. Optical fingerprint censor: It adopts intensity crystal glass as optical fingerprint censor. So it is stronger than the semiconducter material. And the response time is very quickly. 11. Emergency battery: When the interior battery is up, you just link one 9 volt battery to the fingerprint lock, the door also can be opened. 12. Various certification mode: Fingerprint, password, fingerprint+ID, password+fingerprint and other secuity setting can open the lock.