Kavolet Solar Air Pump Kit Fish Tank Oxygen Pump Oxygenator Aquarium Oxygen Aerator Pond Fishing Aerator Aquarium Airpump with Aquarium Oxygen Pipe Air Bubble Stone

Solar powered oxygen pump, no battery and plug required, economical and environment friendlyable for outdoor fish tank, fishpond or fishing. Solar pond oxygenator, Easy to double air flow with the included “Y” connector. Comes with 2 soft hose, 2 air stones and a connector. Built in a 3.7V 1800mAh 18650 lithium battery for storing energy, thus the oxygen pump working in the night as well. Pump working mode: works 5 minutes, then stops 30 minutes, and that cycle repeats. 50dB low noise oxygen pump. There is no need to supply oxygen all day long for fishes or plants, thus the pump works intermittently not only good for them, but also prolongs the service life of the pump. Product working mode: 1- Position 1: high speed (indicator constant on in green )   2- Position 2: low speed (indicator constant on in dark blue ) 3- Position 3: work 10 seconds and off 10 seconds circularly (indicator constant on in light blue) Specifications: Material: ABS Max. Current: 450mA Noise: 60dB Waterproof: IP64 Min. Air Flow: 0.6L/min Working Time: Approx. 20 hours Solar panel：2.5W, PET laminated Battery：3.7V 1800mAH Product working voltage range：3.0V－4.25V Discharge protection voltage：3.0V Over protection voltage：4.25V Oxygen Hose Length: 100cm / 39.37in Wire length: 3 Meters / 118INCH  Package List: 1 * Oxygen Pump 2 * Air Stone 1 * Package of Accessory 2 * Aquarium Oxygen Pipe 1 * Manual (English)