4DCSP-A/D Brushless Stainless Steel Deep Solar Well PumpS:4-inch AC / DC impeller type solar deep well pump (outer diameter 96mm), The impeller and runner are made of 304 stainless steel.
Main features:
1) Single AC power supply (AC only)
2) Single DC power supply (only solar panels)
3) Economical model: AC and DC power supply at the same time (solar panel is preferred)
4) High end model: full power AC / DC automatic hybrid compensation (the minimum power of solar panel can be 1W) can increase the mobile Internet function of mobile app