You are purchasing: Patio Umbrella Light 3 Brightness Modes Cordless 28 LED Lights requires 4 x AA Battery operated, Use for umbrella pole Light for patio umbrellas, camping tents or indoor use press once for 4 led lights, press twice for 24 led lights, or press three times for 28 led lights led lifetime 100,000 hours dimensions, diameter 135mm, thickness 20mm, middle hole 48mm package includes 1 x 28 leds umbrella light I bought too many of these for my backyard box is still sealed