Can supply up to 3 fixtures, one or two at a time in small boats, folding campers and vans. Delivers 1.1 GPM (4.3 l/min.) Built-in pressure switch. Self-priming and can run dry. Includes built-in thermal protector and 3/8" hose barb ports. 12V Motor, automatic operation. Pressure ON/OFF: 22/35 PSI Weight: 1.3Lbs. (.6 Kg.) Dimensions: 2.3"H x 3.5"W x 6.2"L (58 x 89 x 157mm).