	G1/2 Water Flow sensor SG$19.50
Water flow sensor consists of a plastic valve body, a water rotor, and a hall-effect sensor. When water flows through the rotor, rotor rolls. Its speed changes with different rate of flow. The hall-effect sensor outputs the corresponding pulse Signal. [Product Details...]

	Water Flow switch SG$19.70
Water Flow switch. •Min sensible flow: ≥0.1L/MIN •Working flow range: 1-30L/MIN •Min sensible pressure: ≥0.1 mpa •Min water pressure: 0. 1 mpa •Max water pressure: 1.2 mpa [Product Details...]

	3.6V Micro hydro generator SG$37.00
Micro hydro power is clean, renewable energy. Here is a G1/2 micro hydro generator which can supply stably output voltage and output current with the help of one voltage stabilizing circuit and one rechargeable battery. We can install it at home to save h [Product Details...]