Features : DC 5V Brushless Water Pump. Use voltage is best not to overpressure Continuous use of working life of 20,000 hours or more No self-priming pump function Can be powered by devices with USB port, such as power bank or computer Notice: This pump is not self-priming pump, it needs water when you use it Specification: Material: Plastic Type: Non-clogging submersible pump Working Voltage: DC 5V No load Rated current: less than 0.15A Load Current Rating: 0.35A Head: 1.1/m lift Maximum Flow Rate: 150L/Hour Use: diving, land can be Noise: 40dB MAX (background noise 30dB, less than 0.5M) Performance: not blocked Shaft position: Horizontal Life is more than 20000 hours of continuous work Speed: 3500 Cable length: 150cm Size: 43.1x27.9mm Outlet Diameter: 7mm/8.5mm Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 x Water Pump