no battery mechanical code door lock, password lock
|password type||4-7 number|
|Appearance||pearl chrome, imitation|
|Application scope||wooden doors, metal doors|
|Working temperature||-20ºC - 60ºC|
Keystroke function: 14 buttons, including 10 number keystroke and 4 letter keystroke.
Special key-button "C", eliminate misinput, easily use.
Numeral key-choose 4-7buttons to set the password in 13 keystroke except button "C".
Change code function: basic on the customers' need , one should change password, 7buttons most one time, but not overlap.
Security function: exactitude design, preciseness structure, mechanism motion. With strict trial ,it can still work normally after 50000 times opening. Possess security and secrecy