Product structure Introduction： 1. Stainless steel panels, corrosion-resistant, not color. 2. Cold-rolled steel liner, impact-resistant, anti-destruction. 3. Standard lock body, universal, and reliable.＜br＞ Product Features1. The product have fingerprints, passwords and mechanical keys to open the door way of three separate 2. Fingerprint head can be touch for start power or press # for start power (factory setting state fingerprint head no power). 3. Operation midway Press * key to exit this operation. 4. Wrong password alarm function, and password error 5 times continuously, the system locking 5 minutes. 5. To improve security, the system supports password garbled function to open the door. (Ie, a valid password before or behind pressing other digital keys can be added, does not affect the valid password to open the door function). 6.The capability of fingerprint: it could up to 100 pcs. (Customers may need to be extended to 3000 pcs) , management fingerprints and general fingerprints have a different authority. After initializing, setting 1-3 fingerprints as management fingerprints ,section 4-100 fingerprints as general fingerprints. management fingerprints can only be cleared by the system initialization. 7. passwords total have 51 , of which only set up one management password，management password can be changed but not deleted. it have 50 general passwords, the general passwords can only deleted, but can not be changed. 8. It has the function to keep the lock open . this makes it suitable to use in office or somewhere. 9. With anti-trailing open door function. 10. It can lock the door by rotating knob. in this case , only the management fingprints, management password and the mechanical keys can open the door. 11. When the door is not close good, with alarm function. 12. It has the function of low voltage alarm. this could remind the user to replace the battery before used up. 13. It has Independent of the mechanical key emergency unlock function 14. It suitable to use in office, apartment, villa and family.