1)  It has a flexible and optional control method, Specifically as Proportional (P) control, Integral(I) control, Proportional-Integral(PI) control.

2)  Three channel input, Voltage or Current's output ,

3)  Many aspects adjusted by setting the DIP switch,

4)  24V DC power supply,

5)  Mounted as card-board,

6)  The output current is optional  

7)  The Vibratos amplitude can be adjustable.

8)  More technology requests optional.