Electronic cylinder TESA (previously known as “Inhova”) which does noit feedt need a battery; it feeds directly from the key.


  • Quick installation, the same as the mechanic cylinder.
  • The  cylinder  does  not  need  a  battery;  it  feeds  directly  from  the  key.
  • All the monitoring elements are protected inside the cylinder: control unit, reader and motorized clutch.
  • Possibility to combine in the same installation electronic cylinders, electronic locks and mechanic cylinders


  • Clock and calendar in real time
  • When introducing the key, the events (openings   and  attempts  of  openings)  are  recorded  with  the  exact  date  and  hour.
  • The key does not need to have mechanic cut. key-cylinder
  • Automatic cancellation of lost keys.
  • It has a supply battery that can be easily changed.
  • Non-volatile  memory
  • Information  is  not  lost  during  the  battery  change.
  • Protected data avoiding key copy


  • Encrypted  data  transmission  between  the  cylinder  and  the  key..
  • Big storage capacity and data protection
  • Up to 1.500 users and the 1.000 last events.
  • Read and Write (R/W) contact chip: Events recording, key cancellation, locking plan update, etc all in the same electronic key, without using the portable programmer.
  • Combined with the wall reader updater, a virtual on-line network is created without cabling the doors.