This is the Marco M164-622-15 Electronic Water Systems Pump from Mate USA. Self-priming automatic electric pumps with helical PTFE gears, featuring integrated check valve and electronic control. It has a Nickel-plated brass body and a stainless steel shaft. Main applications: Fresh water pressure systems and shower kits on boats, sailing boats and campers. Constant control of pressure, current and voltage. The motor gradually runs to reach the required flow rate. There is no need for an accumulator tank. The electronic system tries to re-start the motor 4 times. Green/Red LED signals pump functions. Reduction of noise, current absorbtion and mechanical wearing. The pump is protected against short circuits and overloads. There is no need for a fuse. Blue flashing LED indicates empty tank. Integrated RJ11 cable for PCS connection Type: UP6/E Voltage: 12/24 Self-Priming: 6.6 ft Pressure: 36.3 psi Flow Rate: 6.9 gpm Amps: 10/5A Fuse: 20 amps Ports (Male): 1/2 in. NPT Warning: Product may contain materials cautioned by California Proposition 65