C2 Series Centrifuges Light emitting Diode screen, Electric blue LED display, 10 Acceleration rates, 10 Deceleration rates, 10 Program memory, Including last run memorized, Timer 0-99 minutes and constant, Pulse (short run) to 90 seconds, Run in speed or Rcf (G Force) in 10 Rpm steps, Accuracy +/-10 Rpm, Repeatability +/- 1 Rpm, Sound