PREMIUM MATERIALS: Copper anode replacement kits are made of high quality copper materials for longer service life, copper anodes can meet your daily use and replacement. Using an ionizer has many advantages: reducing chlorine usage by up to 80%. Low power, safe and efficient to use. Absorb harmful substances such as calcium and iron. Removal of harmful microorganisms protects the healthy balance of aquatic organisms. Solar Panels: Solar water purifiers are small, strong, polymer discs with an OS-replaceable copper rod anode on the bottom and a solar panel on top. Energy Efficient: A water purifier with solar power will money and time on pool maintenance by saving you pool chemistry and electricity costs. Simple and efficient. Simple and convenient to use: just float in the pool. Solar panels produce anode ionization in sunlight that can help you clean your pool in no time. Solar panel power: 2W, 6V Colour:blue Material:plastic Package Contents: 1 x Pool Ionizer Kit 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.