Usage Tips:Description Do you want a kind of professional fish tank oxygen pump? Do you want to provide your fish with enough oxygen? This oxygen pump be your best choice. Really practical and useful, suitable for fish tank and aquarium. Features -Material: Plastic, Silicone-Power: 2W-Battery Capacity: 2200MA-Air Flow: 6L/Min(Two Air Hole in Total)-Note: It is suitable for the fish tank's capacity between 30L-100L.-The pump head is partly waterproof, not afraid of water backflow.-Large air volume, stable and uniform bubble generation, and obvious oxygen increase effect.-Increase the oxygen in the fish tank, which will keep your little fish in an activated condition.-Using high-grade materials, practical and durable. It is not easy to break.-Power off from the start, intelligent chip AC or DC dual use, practical.Packing list: 1 x Aeration Pump 1 x Air Stone1 x Oxygen Hose1 x Power Line