Features :-This is a high quality micro diaphragm pump, widely used in general industry equipment, chemical equipment, farming (lawn and garden), tour vehicles, special vehicle, ship, beverage, vehicle cleaning, carpet cleaning, ground cleaning, water purification and water treatment equipment. Chemical pump, metering pump, air conditioning pump, flow pump, hydraulic test pump, sewage pump, booster pump.-Rubber bracket can absorb vibration from the pump when working.-When the water pressure is too high, pump will protect themselves and normal work, water pipes will not burst, it is safe and durable. Intelligent water pump1. Turn off water and stop the machine2. The four corners can be adjusted up or down according to the size, or they can be removed. Reflux diaphragm pump1. After water is turned off, the internal backflow of the pump head can reduce pressure automatically.2. The rubber fixed foot can move. Specifications:Name:Micro Diaphragm PumpVoltage:DC12VPress:100PSIAMPS:3.0AMaximum Flow:4L/minMaterial:PlasticColor:Black Package included:1 x Intelligent water pump or 1 x Reflux diaphragm pump