The solar oxygenator is a water pump. appropriate ingenious air for aquariums, small or medium ponds, etc. Using solar energy, this oxygen-rich air pumps the water out of the pool in sunny weather. when the oxygen level is exhausted. Easy to use Easy to install, no wiring required. Features: Water pump AC/DC oxygen, with copper movement, built-in high-quality lithium battery. Low noise, large air volume, durable in use. With intelligent remote control. Advanced single chip. Constant voltage/current charging, overcharge and discharge protection, low battery alarm. Widely used for a variety of ornamental fish, aquarium, society aquarium, small ponds. Especially suitable for power failure emergencies, as well as as a water pump. Oxygen for wild fishing, small amounts for water transportation. Instructions: 1. Oxygen play mode Long-term: press the power button (long press 3 seconds) with blue indicator, oxygen supply starts playing; 2. Interval operation: press the power button again 1