CO-Z Solar Flag Pole Light 26 LED Auto Active Improved Flagpole Top Mount SMART and CONVENIENT: Equipped with a day/light sensor, this light automatically turns on/off whenever it senses the sun going up and down. ENERGY-SAVING: Solar panels convert solar energy into electricity. You do not need to plug it in. HIGH EFFICIENCY: With 26 LED Bulbs, it works for 8 hours on a full battery. Long life span: approx. 100,000 hours. MULTI-FUNCTION: It fits flag poles from 15 to 25ft tall. It is also the ideal night light for backyard parties, camping, boating, or other outdoor activities. Pathways and gardens can also benefit from this solar LED light. EASY INSTALLATION- NO TOOLS REQUIRED-- HERE ARE THE STEPS: Lower your pole. Spin your ball shaft and nut off the pole. Center the lights' hole over the pole's hole. ENSURE YOU'VE PRESSED THE ON BUTTON so that the light will shine when dark. Re-insert your ball shaft and nut into both holes. Turn your ball shaft finger tight. Adjust your ball shaft nut as needed. Raise your pole.