POP VIEW MC01 New Version Anti Collar, Small, Medium, Large, 7 Adjustable Levels with Sound and Vibration, No Shock, Harmless & Humane, Stops Dogs Barking, White 1.Display your pride: our flag pole light fits most 15 to 25ft flag pole with 1/2-inch -thick rod at top. Please make sure light fit for your flagpole 2.Auto active: grde cutting-edge flagpole light converts more solar energy into electricity and detects right time to start shining in the evening 3.Batteries: more rechargeable batteries- 3 ours vs. Others 2. (Batteries are initially installed for the shipping demand. Please assure to use.) 4.Led lighting: brighter long-lasting and energy-efficient LED bulbs light up your flying flags to honor glory 5.Be sure to turn the light on Via the on/off button before installation. You May face down or cover the solar panel to make sure its on. If there is light, it's on. If not, Please turn it on by pressing it