Features: Designed for small self priming applications like water dispenser and air conditioning drainage pump. Make from Stainless steel, corrosion resistance, safe to use. Low noise, easy installation, stable performances. The output is stable, the power on is more smooth, and it is not easy to damage. Suitable for household appliances, Medically beauty, showers, water dispensers, air conditioning drainage pumps, Medically equipment, pressurization technology. Specifications: Materials: Stainless steel Size: about 6.5x2.4cm/2.56x0.94inch voltages: 3V current: ≤1200mA/≤600mA/≤400mA/≤300mA/≤150mA Power: 3.6W Air nozzle diameter: 6.5mm Maximums water pressure: ≥ 30psi(200kpa) Water flows rate: 0.5-1.2LPM Noise: ≤ 65db(30cm away) Package Includes: 1set Diaphragm Water Pump note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.