UNIVERSAL FIT - 8 inch diameter x 2 inches tall; weighs 0.5 pounds, and fits 1.5 inch patio umbrellas, so it's a great size for most standard market umbrellas EASY TO USE - Light casing is made from a durable plastic material that is rated for outdoor use and easy to maintain; Each unit is easy to install, simply separate the two halves of the light, place the light on the umbrella pole, and push it back together MULTIPLE APPLICATIONS - Each purchase includes two 2-panel patio umbrella lights; Can be attached to an umbrella pole, camping tent, or outside on a hanging string; Each light requires 3 AA batteries (not included) LIGHT UP THE NIGHT - Each LED light is 6 lumens for a total of 144 lumens; The Kelvin color temperature is 2600K+-100K, giving off a warm, ambient glow; Each panel has 12 LED lights for a total of 24 white LED lights; To operate, simply push the power button on the side of the unit Important Legal DisclosuresWARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the state of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.