HKSL Patio Rechargeable Umbrella Parasol Light 3-AA Battery Operated Wireless 24 LED Lights Brighten Cold White Color Lights Color:black Diameter of product 7.87 inches Self-adjusting clams can fit almost all umbrella and parasols that is 1.3 inches to 2 inches diameter pole,easy to install-no tools required,easily grasps around the pole and snaps in place 24 upgraded powerful big LEDs.Top quality thick black ABS shell Three independent switches,1 outside 20 led bulbs on/off,2 inside 4 led bulbs on/off,open the light for easy mounting or removal,require 3AA batteries (included)