TOTOBAY Solar Power Flag Pole Flagpole Light, Super Bright Weatherproof Downlight for Most 15 to 25 Ft Auto On/Off Night Lighting More Power -Solar panel provide great energy for the Super Bright lighting, high quality material made this solar flagpole light more durable. Built-in 3 units large capacity rechargeable batteries (2000mAh each, 6000mAh total)-26 energy efficient led bulbs will be brighter. (Note: for the shipping demand, the batteries have been installed initially) Automatically bright in the day time-The flagpole light will automatically turns on at night and turns off when daylight returns. Be sure to turn the light on via the ON/OFF button before installation. Face the solar panel down, if light, it's ON. If not, please turn it on by pressing it. Fitting for most of flagpoles (Through hole for 1/2in. Rod)- Thanks to independent solar charging system, there is No hassling with wires and electrical connections. Easy to install, no special tools required. More photovoltaic cells-To transformed more solar energy into electricity that be stored for showtime.