This item is a Diaphragm Pump. It is easy to install, small-sized, large flow and high pressure. It is Suitable for pressure pump, spray cleaning device with small flow and large pressure, water purification system with small flow, filter, chemical metering and adding liquid; transfer, distribution and filling of small flow food liquid. Features - Color: Black - Material: Plastic - Size: 16.8x7.75x5.5cm - Voltage: 12V - Power: 60W - Flow: 5L/Min - With pressure switch, auto shutdown while over-pressure, auto restart while pressure is lower than threshold. - Easy to install, small-sized, large flow and high pressure. - Working medium: liquid without oil, non strong corrosive, non-strong acid and strong alkali, no solid particles - Suitable for pressure pump, spray cleaning device with small flow and large pressure, water purification system with small flow, filter, chemical metering and adding liquid; transfer, distribution and filling of small flow food liquid. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand