Fits Umbrella Poles Diameter: 1 3/8" - 2" (3.5cm¨C5cm) * Included: one 24-LED Siver-tone Umbrella Light * Easy to install - no tools, cords or wires are required, easily grasps around the pole and snaps in place * Convenient light positioning - the light features a convenient one-touch on/off switch & fits all umbrella poles 1 3/8 inches to 2 inches in diameter * Powered by 3 pcs AA batteries. Also worked with rechargeable AA batteries, just recharge the batteries via AC adaptor while the power runs out of, enjoy your fun even after sunset. (Batteries not included)