1、HIGH EFFICIENCY: This diaphragm pump supports water flow of 3.5GPM per minute, and will shut down when the pressure reaches 60PSI, 12VDC power, operating on RV power supply. 2、MULTIPLE USAGES: This water delivery pump supports continuous operation for more than 1 hour and is suitable for many fields, such as RVs, ships, irrigation, sprinklers, faucets, etc. 3、PRESSURE SWITCH: Equipped with intelligent pressure switch, the faucet automatically turns off when turned off, runs when turned on, and can be turned on and off as needed. 4、GOOD PROTECTION: The suction lift is 3 meters, the discharge lift is 40 meters, with built in thermal overload protection, when the temperature exceeds 70℃(158℉), the circuit automatically disconnects. 5、EASY CONNECTION: Connect the diaphragm water pump to the water inlet and outlet pipes, install the filter at the inlet end, and connect the power supply, which is convenient and practical.