The Solar Shield Whole House Water Conditioner saves you money and is more environmentally friendly by using the power provided by the sun to clean and regenerate the conditioner. The Double backwashing feature gives your system an optimal clean, and the 4 stage media bed ensures your water is soft and chlorine free for your family’s enjoyment and protection of your home. The system calculates the amount of water your family uses and only cleans when necessary, providing higher efficiency and less salt and water usage. The rechargeable battery pack only needs 1 hour of indirect sunlight per day that is provided by the included solar panel. The Solar Shield comes with a full lifetime warranty including renewable parts and a 2-year labor warranty giving you peace of mind that the Solar Shield is the last piece of water treatment equipment you will ever need.