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 water, don't need button any more, free your hands. USB charging, can be used wherever there is electricity. Triple filter helps to remove most impurities. Specifications: Material: ABS. Battery Capacity: 2100 mAh Air Volume: 3L / min Aerobic Endurance: 8 H Lighting Life: 48 H Item size: 12.5 x 7 x 4.5 cm / 4.9 x 2.8 x 1.7 in Color: As Shown Package Contents: 1 x Fishing Oxygen Pump 1 x Outlet Pipe 1 x USB Cable 1 x Oxygenated Transfer Joint 1 x Filter 1 x Air Pump Stone 1 x Suction Pipe Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.