???Eco-friendly Energy?Solar powered oxygen pump, no extra battery and plug is needed. Environmentally friendly and economical.
???Backup Battery?Built-in a 3.7V 1800mAh 18650 lithium battery to store energy in day to make sure the oxygen pump can work in night.
???Adjustable Angle?Solar panel angle can be adjusted to get more sufficient solar energy. Solar Panel can be stuck into the ground or mount it on the wall.
???3 Working Modes?Strong bubble/ Gentle bubble/ Cycle On and Off. Fully meet various occasions and needs.
???Multi-Purpose?Widely used for adding fresh air into various fish tank, pools, ponds, aquariums.