Features: This USB powered oxygen pump delivers impressive airflows, great for aquariums requiring efficient oxygenation and better aquariums air pumps performances. Featured great noise reduce technology and energy savings compared to traditional model, this fishtanks oxygenator ensures quiet operations while reducing power consumption. Perfect for aquariums enthusiasts, home fish keeper, and professional aquariums searching fishtanks equipment for longlasting water habitats maintenance. Design for bedrooms, office desks, and exhibition space, its simple design support easy to installation home aquascaping project or temporary water displays. With shock resistant ABS plastic housing and easy assembly, this submersible water pump withstands daily use while simplifying maintenance for water pet owners. Specifications: Component: Plastic Product Dimension:As pictures shown Type: 01(Double Hole)/02(Single Hole) Package Includes: 1 Set USB Oxygen Pump note: Please allow 0-1cm error due to manual measurement Due to the differences between different monitors, the picture may not reflect the actual color the item.