Plug-in Solar Aeration Pump Power Storage Aquarium Oxygen Pump Voice Recorders well-designed car user interface

well-designed car user interface

Directional sound transmission technology

22 communication channels

1/3 inch Progressive scan sensor

Plug-in Solar Aeration Pump Power Storage Aquarium Oxygen Pump Voice Recorders well-designed car user interfaceFeatures: 1. This product is charged by solar energy, using pure copper movement, high quality lithium battery, and the cycle life is up to 500 times 2. Small size, low noise, large gas volume, long life, full charge can be used continuously for about 15 20 hours 3. The internal circuit adopts the intelligent control of imported single chip microcomputer, which has the characteristics of constant voltage and constant current charging, overcharge and