F3KE USB Mini Water Pump Small Quiet 5V USB Water Pump Filter Fish Pond Mini Aquarium Tank Fountain Accessories 4L/min Features: new and high quality Made of high-quality materials, exquisite workmanship, very good quality and long service life. It can choose from many power sources,which is convenient for outdoor or mobile use. Can be used directly after connecting to power supply,and there is no need to prepare parts. small in size and light in weight, which is very convenient to carry around. The vertical height should not exceed 2m. When in use, stop using it every 30 minutes and restart it after five minutes. Specifications: Material:Plastic Length:1m/3m/5m/10m Inner diameter of transparent tube: 8mm Inner diameter of translucent tube: 6mm Input: USB5V2A Pumping speed: 4L/min Package Includes: 1 Set Water Pump Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. _x000D_ _x000D_