Gavita Master Controller EL2 No need for a switchboard, No high inrushes (ballast is always stand-by) Easy and safe installation (low voltage device), Double temperature safety feature (auto dim/auto shutdown) External alarm connection (txt/e-mail/alarm), For 80 ballasts, or 2x40 in two 12/12 rooms For Gavita DigiStar and Pro-lines e-series, includes LEP, Sunrise/sunset built in (0-30 mins) Show output in % or Watts, Celsius or Fahrenheit and 24 hr./AM/PM