- Product presentation 1. This product is an AC / DC dual-use aerator pump, adopts a pure copper core, a high quality lithium battery, a lifetime up to 500 times, has small characteristics, low noise, large volume Long service life, the full load can be continuous use for 20 hours. 2. The internal circuit adopts the intelligent control of the imported monopuce microcomputer, which has the characteristics of a constant voltage load and constant current, overload protection and excessive discharges, a low power alarm and a high safety factor. 3. It is widely used for the ventilation of various ornamental fish, aquariums, fish lovers, corporate aquariums and family fish.It is particularly suitable for emergency oxygenation during power outages, as well as Wild fishing and transporting small aquatic products. 2. Specifications 1. Solar panel : 5V 290ma 2. Battery: Lithium battery 18650 3.7V 2200mAh 3. Aeration Pump: Micro Air Pump DC 1.8V 150mA Noise: 50dB Minimum air flow: 0.3l / min