Advanced Solar Pool Ionizer Durable copper construction: Built to last, with a solar panel that generates a low voltage current in sunlight. The copper ions are released into the water to help keep your pool clean. Healthier, kidfriendly water: Reduces the need for chlorine powder, reducing skin, hair, and eye irritation. Easy to install and compatible with salt or chlorine pools, including aboveground pools and indoor pools with warming lights. Save time and money: Reduces chlorine usage by 85%, requires no recharging, and helps keep the pool clear while you are away. Automatic color lighting: Floating design with a switch on the bottom to turn on. After full solar charge, it can light for about two nights. Automatically cycles through seven colors every 2 seconds (including red, orange, yellow, green, cyan, blue, and a seventh color), creating a soft, inviting atmosphere. Built to withstand various weather conditions. Specifications and compatibility: Material is copper; solar panel provides power; suitable for salt or chlorine pools; works with aboveground pools and indoor pools with warming lights. Practical use scenarios: Backyard aboveground pool with a salt or chlorine system, reducing chlorine demand while keeping water clear. Indoor pool with warming lights, offering a healthier alternative to conventional chlorination without complex setup. Pool left unattended for weekends or vacations, maintaining water clarity and reducing maintenance effort.