SM-01 : SM - 01 (the speedometer of NSD Power Ball) The functions are: a> the count of revolutions (hundred unit) b> the current RPM c> the historical highest RPM/ the current highest RPM d> the physical index, 30 sec., 60 sec., 90 sec.
The above-mentioned functions works
individually. The speedometer can make users
understand the use state of PB and provide real
figures for reference. It combines the
effects of rehabilitation, entertainment, and
contest. By attaching SM-01, PB-188,
PB-188L,PB-188S,PB-188A and PB-388
can be upgraded to PB-188C,PB-188LC,PB-188SC,PB-188AC
and PB-388C.
About the instructions for further, Please refer to the manual of product.