AC solar energy dual-use aeration pump

product description: 1. This product is an AC / DC dual-use aeration pump. It adopts a pure copper movement, a high-quality lithium battery, and a cycle life of up to 500 times. It has the characteristics of small size, low noise, large gas volume, and long life. It can be continuous when fully charged. Use 24 hours. 2. The internal circuit is intelligently controlled by imported single-chip microcomputer, with constant voltage and constant current charging, overcharge and over discharge protection, low power alarm, high safety factor, 3. Widely used for aeration of fish in various ornamental fishes, aquariums, fish farming enthusiasts, company aquariums, and family fish farming. It is especially suitable for emergency aeration in the event of power outage, as well as the aeration function of wild fishing and small-scale aquatic transportation.   Instructions: 1. Long press the power switch (press for 3 seconds), the blue light is on, then start oxygen,