No HOLES:

              No screw holes or others created during installation.

 

No sensors' contact:

              There is no no contacts between the sensors and keys.

 

NAHOFT Silent System's specifications:

  .    Ultra realistic concert grand piano sound.

  .    24bit high quality sound system.

  .    Continues detection optical key sensors(At least 30 steps)

  .    Velocity: More than 1500 steps.

  .    Pedals: Damper continuous(At least 20 steps)

  .     Motor driven hammer stopper.

 

2 YEARS GUARANTEED