1. The solar pool ionizer is made of copper for durability. The solar panel of the copper pool ionizer generates a low voltage electric current when exposed to sunlight. The copper rods release Cu2+ and + ions into the water with the help of the electric current, which keeps your pool clean. 2. Auto light up at night (Turn on the switch at the bottom), copper pool floater can light up for 2 nights after fully solar charged. Automatically change 7 colors every 2s (Red, Orange, Yellow, Green, Cyan, Blue), soft light creates a charming atmosphere. Our solar ionizer for above ground pool is suitable for harsh weather. 3. Say goodbye to hard work cleaning, the Solar Pool Ionizer reduces chlorine usage by 85%, requires no recharging, and saves pool maintenance and cleaning efforts. The pool copper ionizer keeps your pool clear while you're away! 4. Reduces chlorine powder use, saying goodbye to skin, hair and eye discomfort. Easy to install, suitable for salt or chlorine pools, above ground pools, indoor pools with warming lights. Using a pool ionizer contributes to health. 5. Each copper pool ionizer covers up to 35,000 Gal of pool; increase the unit based on pool capacity. Clean with the brush every 2 weeks and replace the copper anode every 1-2 quarters to keep the pool clean. Solar Pool Ionizer is made of ABS and 99.95% purity copper for durability. 6. Colour: White; Material: ABS; Package Contents: 1 x Solar Pool Ionizer. 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 to differ slightly from the real thing. The measurement allowed error is +/- 1-3cm.