Good Morning,

  Greatings from China. We are electronic door lock supplier. 

  Any need of this kind of products please feel free to contact us to check if have some model that suitable for your project. 

  Below is a passcode smart cylinder which suppor bluetooth, password, card, key unlock. APP is TTlock. Cylinder have different length to option. Silver and black color for option. 

Best regards

Carol

www (.)  yorfan  . com