Pump with automatic operation equipped with the Ultimate switch. Ultimate switch uses the patented Mires field effect detector cells producing micro-electrical fields that detect disruptions caused by water and fluids. Detector cells are totally sealed and are never in contact with the water, will not corrode and are not affected by oil or foreign debris. Bilge pump features heavy duty motor with stainless steel shaft and tough thermoplastic body for a long pump life. Capacity 3 Head: 952 GPH/Capacity Straight: 1150 GPH/Amperage: 2A/Fuse Size: 3A/Connection: 1-1/8".