1. The difference of 3 colors shower head 7 colors shower head:
3 colors LED shower head:
-Temperature control; -Color changes according to water temperature, green color (temperature <30 ℃ / 85 ℉), blue color (31 ℃ -39 ℃ / 85 ℉ -105 ℉), red color (40 ℃ -50 ℃ / 105 ℉ -120 ℉ ). -When the water reaches these temperature ranges, only one color LED light comes on.
7 Colors LED Shower Heads: - No control temperature. -Automatically flashes 7 colors in a row at any water temperature.
Both do not battery, very safe, using water flow to generate electricity.
2. Negative ionic stones makeup filter system to purify the water shower, effectively eliminate chlorine pests and its fumes, reduce residual impurities in the water. Improve your dry hair and skin, reduce oil secretion, increase cell viability, make your skin smoother and reduce hair loss.
3. Easy to install: It is general size, fits any standard pipe size.
4. No white solid leaks. Also, easy to disassemble and clean. High pressure 30% water saving.