①. On-demand, automatic water pump for small boats, campers, and vans ②. Built-in 40 PSI pressure switch for automatic stop/start ③. Self-priming--allows it to be mounted above tank; able to run dry ④. Built-in thermal protector; 3/8-inch hose barb ports ⑤. 1.0 Gallons per minute (3.8 Litres per minute) ⑥. Compact design ⑦. Heavy-duty demand switch ⑧. Can run dry ⑨. Quiet operation ⑩. Industry standard mount pattern ⑪. Typical Applications: Marine/RV, Water Treatment/Ro, Beverage/Food Service, Distillation Equipment, Agricultural Spraying, General Industrial, Automotive ⑫. PUMP Type: 2 Chamber positive displacement diaphragm pump, self priming, capable of being run dry ⑬. Max Recommended Temperature 110 Fahrenheit (43 Celsius) Max. ⑭. Priming Capabilities 4 feet (1.2 m) suction lift ⑮. Max Pressure 40PSI (2.8bar) ⑯. Inlet/Outlet Ports 3/8" hose barb ⑰. Weight 1.25 lbs (0.57 kg) ⑱. MOTOR Duty Cycle: Intermittent Leads 18 AWG, 13.78" long with 2-Pin connector/Leads ⑲. Voltage 12v ⑳. Package content:1 x Water Pressure Diaphragm Pump ㉑. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.