1. Hot galvanized steel pole, anti-corrosion and anti-rust. Decorative poles available in different styles to choose from. 2. Utilizes four sides of high-efficiency monocrystalline solar panels around the pole. 3. High-efficiency PERC solar panels, with a solar power lifetime of more than 25 years. 4. The LED solar street light turns off automatically during the day and turns on automatically at night.