The packaging includes: the air pump assembly comes with everything you need. 1 * Aquatic air pump, 1 * m pipeline, 1 * air stone, 1 * check valve. Low power consumption: simple operation, low energy consumption, pressure of 15kpa, power of 2W, output of 1.2L/min. Better at transporting oxygen: Airstone produces more bubbles, making it easier for oxygen to melt in water. Check valves can prevent water from being siphoned. Super quiet: It is very quiet during work and won't affect your and your pet's sleep. Used for supplying oxygen to water, suitable for fish tanks and aquariums. Features: Project: Air pump kit Main material: plastic Main color: black Power: 2 W Voltage: 220V (EU)/50Hz; 110V (USA)/50Hz Pressure: 15kpa Output: 1.2L/min Size: 85 * 52 * 35mm Packaging size: 9 * 7 * 4 centimeters Packaging weight: 160 grams Gift box packaging Packing list: 1 * Air pump kit 1 * Charger