Our In-Ground Flagpole Solar Light is the best in the industry. No wiring required, operates with three self charging solar batteries and are included with the solar light. Easy to install, no special tools required. Can be used for commercial or residential in-ground poles 15 to 25 ft. Solar panels collect light all day and illuminate your flag at night. The LED lights have 100 LUX illumination. The rechargeable batteries that are included will last up to 24 months; some may last less, some longer, depending upon conditions. Note, the batteries will have to be replaced.