No need Key Smart Door Lock

The general control card can be set to manage each cabinet door lock and open all of them in case emergency,under special circumstances,the mechanicl key can be used for opening the door,independent card prepartion :a card is dirextly made on a door lock,which is easey and convenient,with a reasonable structure,the small smart cylinder is used as the lock cylinder for safe reliable operation.

About us:  

Our promise :

1) All the cases are guaranteed for 12 months after we send off the goods;

2) We accept replacing goods or refunding the money in one of the following situations: 

      A.  Quantity not sufficient;

      B.  Wrong types or wrong packing;

      C.  Used ones;

      D.  Quality defect.

3) We won't accept exchange a purchase in one of the following situations: 

      A.  Beyond 12-month after we send off the goods; 

      B.  Broken because of shipping;

      C.  Natural disasters, man-made damage, non-professional demolition, maintenance errors.