1. Open packages, check all the goods whether everything is ok.
2. Check the size of the connector and the thread size of the water pipes connector in the wall.
3. Clean the water pipes before installing them.
4. At least 2 water electricians to install the showerhead.
5. Pay attention to the water temperature, not over 70 degrees.
6. Water pressure: 0.05 MPA - 0.5 MPA.
7. Adapter is 100-265 V to 12 V, insurance device rated current less than 30 MA.