001) Ideal combination of water and sun that preserves the environment, saves energy and reduces physical effort
002) Simple installation, minimum maintenance, high reliablity, automatic operation for years, long life time & without watching, dry running protection, without the need for batteries or wiring installation
003) Low borehole drilling cost --diameter of well: 10 cm is sufficient
004) More sunlight, the more water is pumped (idear for stock watering & irrigation ) even on hazy days

Usage:
A) Many useful applications for family or farm
B) Stock watering
C) Drip irrigation: Very effective for a family garden
D) Water supply for cabins and remote houses