This 1/2 HP (horse power) primary AC (alternating current) sump pump is energy efficient, using only 4.2A (ampere). Dual float switches with protective cage. Industrial strength, continuous duty pump is built to last. Dual ball bearings. Permanent split capacitor motor. Dual seals to protect the motor. Water cooled, no oil to leak. Excellent insulation. 3200 GPH (gallons per hour) at 10'. 16.5" H x 11.3" W x 6.5" L. 3 year warranty.