Rule 4000. Non-Automatic 12v. Designed for the toughest applications, the 4000 gph (15140 lph) pump optimizes Rule's exclusive design features to produce the highest capacity available for a pump its size. 2" (51mm) discharge outlet. 12 Volts DC unless noted.. Voltage: 12 Vdc. Amp Draw: 15.5 amp. Fuse Size 25 amp. Height: 7 3/4 inches 196.8 mm. Width: 4 7/8 Inches 124 mm. Weight: 5-8 lb 2.5 kg. WARNING: This product can expose you to chemicals including FORMALDEHYDE (GAS) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.