1、Intelligent automatic pressure regulation, turn on the power switch and the water outlet valve switch, start to work, close the water outlet valve switch, the pump will automatically power off and stop working. 2、By setting the overpressure automatic pressure relief device on the pump body, the structure is simple, and there is no need to set a pressure relief valve on the water pipe, which simplifies the pipeline connection. 3、Made of good quality cast iron and steel, it has oil resistance, heat resistance, acid resistance, alkali resistance, corrosion resistance and abrasion resistance. 4、Small size, small current, high pressure and low noise, extremely efficient, very low current draw and offer high capacity output. 5、It is used to pump flowing liquid, and can transport some difficult‑to‑flow media, easy and convenient to operate. 1 x Diaphragm Pump  Item Type: Diaphragm Pump Material: Cast Iron and SteelColor: As shown in the pictureSize: Approx. 180x96x75mm / 7.09x 3.78x 2.95in Interface Outer diameter: Approx. 10.3mm / 0.41inVoltage: DC48VCurrent: 2.5APower: 120WFlow Rate: 7.0L/MINWorking Pressure: 1.2mpaApplication: Pumping flowing liquid, but also able to transport some difficult-to-flow mediaWeight: Approx.1183g/ 41.7oz