Features: A variety of scene applications: household appliances, showers, water dispensers, air-conditioning drainage pumps, pressurization technology. Corrosion resistance: The surface is treated for corrosion resistance. Good materials: The shell is made of plastic materials, which are safe to use. Less heat generation: Uses a finished motor with low heat output and low noise. Wire interface: Preferred wire interface provides stable output, smooth power-on, and is not easily damaged. Specifications: Material: ABS Weight: 14g Size: 2.1x3.9x1.2cm / 0.82x1.53x0.47inch Voltage: DC 5.0V Current (mA): 20 kPa Inlet Diameter: 3.5mm Outlet Diameter: 3.5mm Flow Rate: 40-90 ml/min Package Includes: 1 x Water Pump Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences between monitors, the picture may not reflect the actual color of the item.