Description:Debris Filtering: This kind of oxygen pump can filter the water effectively from the stone, keeping the water clear and ensuring the fish with a clean and comfortable living environment. Low Noise: This air compressor is quiet when working, running with 40db noise, it is not easy to disturb life or harm pets, you can use it without worry. USB Rechargeable: It comes with a built-in 2600mAh battery, the pump can be used for a long time after fully charged, saving time and strength to charge often. LED Light: The lighting design makes it easy to attract fish, and you can conveniently add or pull out water, avoiding trouble. Wide Application: This aquarium aerator can be fixed on the bait box, cover, fish tank, fish tank and other places stably, suitable for both indoor and outdoor use. Specification:Material: ABS, metal. Color: Green and Silver. Size: Approx. 125x70x3 0mm/4.92x2.76x1.18inch. Function: Oxygen Boost, Air Blowing, Lighting. Battery: 2600mAh. Current: DC AC. Capacity: 6L/min. Pump Water Height: Approx. 1.8m/5.91ft. Charging power: 240V/50hz. Working time: about 6h. Life expectancy: about 36h. Smart Mode: press the water exhalation button for 3 seconds, the red light will be on, open or close the water outlet by covering the side light of the sensor with your hands. Lighting mode: press the light attracting the switch button on the top once. Air Blow Mode: Open or close the function by pressing the exhaust button