The solar oxygenator is an ingenious air pump suitable for aquarium, small or medium ponds, etc. Working by solar energy this oxygenated air pumps pond water in sunny weather when oxygen levels are depleted. Simple to install, no wiring required. Features: AC/DC oxygen pump, using copper movement, built-in high quality lithium battery. With small size, low noise, large air volume, durable for use. Adopts intelligent remote control. Advanced single chip. constant voltage / current charging, overcharge and overdischarge protection, low battery alarm. Widely used for a variety of ornamental fish, aquarium, company aquarium, small ponds. Especially great for power failure emergencies, as well as oxygen pump for wild fishing, small amounts of aquatic transportation. Instructions: 1. Long-term oxygen play mode: press the power switch (press 3 seconds) with blue indicator, oxygen starts to play; 2. Intermittent mode: press again on the power switch 1 time, switched to intermittent mode (stop