This is an automatic inductive pumping, made from environmental friendly ABS material, low dB, used for aeration, pumping and illuminating. Features: Light and convenient, easy to go fishing. 3 modes for different needs. Intelligent fishing oxygen pump, used for aeration, pumping and illuminating. Automatic inductive pumping, don't need button any more, free your hands. USB charging, can be used wherever there is electricity. Ultra-low noise, 40dB only, quiet and quick for aeration. Long battery life, once fully charged, pumped about 2000kg/4409lb. Triple filter helps to remove most impurities. Specifications: Material: ABS. Color: Green. Battery Capacity: 2200 mAh Air Volume: 6L / min Pumping Height: 1.8 m / 5.9 ft Charging Power: 240V-50HZ Aerobic Endurance: 6 H Lighting Life: 36 H Item size: 12.5 * 7 * 3 cm / 4.9 * 2.8 * 1.2 in Item weight: 233 g / 8.2 oz Packing size: 21 * 14.5 * 5.5 cm / 8.3 * 5.7 * 2.2 in Packing weight: 470 g / 16.6 oz Packing List: 1 * Fishing Oxygen Pump 1 * Outlet Pipe 1 * USB Cable 1 * Oxygenated Transfer Joint 1 * Filter 1 * Air Pump Stone 1 * Suction Pipe