Feature: 1. Stepless air volume adjustment makes it more convenient and energy‑saving to use. 2. Large volume design, stable air output. 3. The bottom has a soft cushion to effectively absorb shock. 4. Suitable for fish tank, aquarium. 5. Silent technology with dual air chambers, noise reduction and noise elimination design. Specification: Condition: 100% brand newItem type: Aquarium Air PumpMaterial: Plastic+ABSColor: As picture shownSize: Approx. 15x9.5x7cm/5.9x3.7x2.8inWeight: Approx. 717g Scope of application: Aquarium, fish tank, etc. Power: 6w Maximum flow: 2X5L/Min. Package List: 1 x Oxygen Pump 1 x Instruction Note: 1. When in use, place it in a dry place above the water surface, otherwise the water will pour into the water pump and damage the air pump. 2. Be careful not to soak, expose to the sun, and hit to ensures normal use. 3. Please pay attention to whether the voltage is consistent with this machine before use. 4. If the air pump falls into the water, cut off the power immediately to avoid electric shock.