Usage Tips:On-demand, automatic water pump for small boats, campers, and Built-in 40 PSI pressure switch for automatic stop/start Self-priming--allows it to be mounted above tank; to run dry Built-in thermal protector; 3/8-inch hose barb ports 1.0 Gallons per minute (3.8 Litres per minute) Compact design Heavy-duty demand switch Can run dry Quiet operation Industry standard mount pattern Typical Applications : Marine/RV Water Treatment/ Beverage/Food Service Distillation Equipment Agricultural Spraying General Industrial Automotive PUMP Type : 2 Chamber positive displacement diaphragm pump, self priming, capable of being run dry Max Recommended Temperature 110 Fahrenheit (43 Celsius) Max. Priming Capabilities 4 feet (1.2 m) suction lift Max Pressure 40PSI (2.8bar) Inlet/Outlet Ports 3/8" hose barb Weight 1.25 lbs (0.57 kg) MOTOR Duty Cycle Intermittent Leads 18 AWG, 13.78" long with 2-Pin connector/Leads Voltage 12v Package content:1 x Water Pressure Diaphragm Pump 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.