Feature: 1. Mini portable aquarium oxygenation pump provides uninterrupted bubbles and high‑quality oxygen supply. 2. With double outlet design, uniform and natural bubbles, compact and portable, suitable for aquariums. 3. It can produce and output oxygen, with high efficiency and energy saving, and the oxygen increase effect is continuous and stable. 4. Equipped with soft rubber feet pads, low noise, it further reduces noise and has strong working stability. 5. Complete accessories, easy to install and assemble, suitable for aquarium, wild fishing or transportation of live fish. Specification: Item Type: Oxygen Pump Material: Plastic Weight: Approx. 1164g / 41.1oz Product Size: Approx. 15.2x9x7.6cm / 6.0x3.5x3.0in Plug: CN Standard 220V Purpose: Suitable for aquaculture and oxygenation in fish tanks and water tanks. Package List: 1 x Oxygen Pump2 x Hose1 x Manual2 x Air Stone Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Dear customer, please rest assured to buy without worrying about the plug adaption. We will provide an adapter for you according to different country standard and make sure its normal use.