This is a YoungTree RV fresh water pressure pump with a universal installation suitable for plumbing and fixtures. It has a maximum working pressure of 70 psi and a maximum flow rate of 5.5GPM. The pump is 12V and has a model number of F42-12V. The size of the pump is 5.5GPM 70PSI 12V (Garden Hose) and its dimensions are 10 inches in length, 5 inches in width, and 5 inches in height. Self priming, runs dry without damage, thermal overload, auto restart.