ULTIMA AUTOMATIC BILGE PUMP SWITCH

Digital technology with patented Mirus field effect detector cells producing micro-electrical fields that detect disruptions caused by water and fluids. Detector cells are totally sealed are never in contact with the water, will not corrode and are not affected by oil or foreign debris. No moving parts, totally sealed solid state electronics and field detectors, no mercury and no exposed sensors. Activates at 2" fluid level and deactivates at 3/4" fluid level. Eight second delay prevents false starts. Handles pumps up to 20amps at 12 or 24 volts.