Product features: It can work continuously, with low power and energy saving. Small size, easy to hide, and versatile. The pure copper motor is durable. It can be applied to a variety of mobile power sources and is convenient to carry. The flow can be adjusted, and the flow can be adjusted by sliding the regulating valve. Product name:Mini USB water pump Product size:3.3cm*3.1cm Product color:Black Product power:1-3W Product Lift:0.4-1.5m Product Flow:200L/H Input Voltage:5V Water pipe size: inner diameter 7mm hose Product Package: 1pcs X USB mini water pump Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3mm measuring deviation due to manual measurement.