Durable & Eye-Catching House Numbers: Our solar address house number sign features a robust IP 54 waterproof stainless steel metal shell, ensuring complete protection against water, heat, frost, dust, oil, and other non-corrosive materials. Both the house number sign and stickers are designed to withstand harsh outdoor conditions, including rain and snow. This means that whether it's nighttime or foggy weather, your visitors, emergency vehicles, and couriers can easily locate your home. Easy Installation: Installation is a breeze with no wiring required. The package includes 1 lamp, 3 screws, and a complete set of waterproof stickers for letters (A-E) and numbers (0-9). Simply press the on/off button, use an electric drill to secure the screws or nails (included) into a wooden stake or wall, and customize your house numbers. Finally, hang the two slots on the back of the main unit on the screws and enjoy the illuminated display at night. High-Efficient Photosensitive Solar Panel: Our house number light is equipped with a polycrystalline silicon solar panel and a built-in Intelligent Light Control Sensing System. Just press the power switch located on the side of the lamp (initial state defaults to off), and it will automatically turn on or off based on the surrounding brightness, eliminating any worries about manual operation.