"Tsurumi Automatic Dewatering Pump has sensitive electrodes that detect water and automatically begin operation even when foreign materials are present. An internal timer extends motor life by preventing the motor from engaging and disengaging frequently. Jobsite tested for more than 30,000 on/off cycles without failure or damage. Flow GPH 4,920, Dimensions L x W x H in. 13 7/16 x 8 3/4 x 8 3/4, Discharge Port in. 2, Pump Housing Cast aluminum, HP 1, Impeller Shaft Stainless steel, Max. PSI 25.54, Max. Total Head ft. 59, Power Cord ft. 50, Seals Silicone carbide, Solid Handling in. 1/4, Thermal Overload Protection Circle thermal motor protector, Volute Butadiene/natural rubber, Amps 9.6, Volts 110. Durable build with resin-molded, rubber-encased relay sensors and a urethane semi-vortex impeller and wear plates Dual interior mechanical seals with silicone carbide faces for longer operational life Patented oil lifter provides lubrication of seal faces down to 1/3 of normal oil level to extend seal life by ten times Urethane rubber-coated impeller resists wear from abrasive particles V-ring protects seal from abrasive particles"