Features: Solar powered oxygen pump, no battery and plug required, economical and environment friendly. 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. Easy to double air flow with the included “Y” connector. 50dB low noise oxygen pump. Suitable for outdoor fish tank, fishpond or fishing. 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 Solar panel£º2.5W, PET laminated Battery£º3.7V 1800mAH Product working voltage range£º3.0V£-4.25V Discharge protection voltage£º3.0V Over charge protection voltage£º4.25V Max. Current: 450mA Noise: 60dB Waterproof: IP64 Min. Air Flow: 0.6L/min Working Time: Approx. 20 hours Oxygen Hose Length: 100cm / 39.37in
