Usage Tips:Solar Pool Ionizer is the only safe, effective and healthy option for treating pools, spas, and drinking water. Enjoy your pool without the chemical smells. Reduce the need for shock and chlorine. Ultra-low maintenance. Powered by environmentally friendly solar panels with no expensive batteries to replace. No more bleached hair or bathing suits, dry skin or itchy eyes. Kill-algae and reduce the need for chlorine: Solar pool ionizers kill algae, just float in your swimming pool and use copper ions to kill algae. Works with all pool types:In-ground, above-ground, saltwater, and chlorine pools. Also safe for all finishes, including, plaster, pebble, quartz, tile, and vinyl liners. Colour:As Shown Material:ABS Package Contents: 1 * Disinfection purifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.