... 2)keep ballance water quality 3)automatic control pH & OR 4)Can working with dosing pump ... 24Vdc, or 240Vac output for alternative ORP and pH dosing equipment Sanitizing type can be set for either ... Chlorinated, Liquid Chlorine, or Bromine. ORP and pH functions can be enabled or disabled by simple push ... 12Vac/100W to power a pool light. Both pH and ORP probes are digitally controlled and calibrated ...