top manufacturer for password door locks

password door locks  advantages: 

chanical password lock
2.no battery password lock
3.open password lock by code or metal key
4.manufacture password lock

mechanical password door locks  Specifics:

1. Energy-conserving and environment-protective without power supply.
2. Change the code at will ,which is easy to operate.
3. Free mechanical structure to avoid the hand touch and voice identification.
4. Precision machinofacture, which supply either the code  to open the door.
5. It is the security numen of hotel, home and house, apartment, factory and office.

_{^{mechanical password lock Golden color and silver color al avaible.}}  

Operation way of mechanical password door lock

1,There are 10 digit keys and 2 letter keys on the lock(C is clear key)

2,First,there isnt any password on the lock,the user can set the password freely before installation,and can use 1 to 11 digit as ones password,such as:2 or 49 or 6825 or 66843450789

3,When the lockbody match on the door and install the fixing screw,the user can press the tightened nut of inner door lightly and turn it with screwdriver,to make the small dot on the nut from ON to OFF

4,The user turn  certain keys anticlockwisely 180 degree to set the password.

5,If the user want to change the password,he can turn the existing password keys(set by himself before) clockwisely 180 degree,then reset the password as the above method.

6,When finishing the password setting,the user have to press the tightened nut of inner door lightly and turn it with screwdriver,to make the small dot on the nut from OFF to ON.

password lock CE certificate 

mechanical password lock suitable for office, home, fast food  restaurant