Danalock™ motorized demo kit for US Deadbolt profile cylinder. Includes adaptor for special US Deadbolt cylinder (Special cilinder is needed to fit the Danalock™ motorized lock on a door, not included. Please refer to us for further information). Technology: Bluetooth. Batteries included (4 x CR123A Lithium batteries are required, ref.: SP01908-400, included). Mechanical cylinder with sprat included. Silver finish.