UCtech 4-Light Rechargeable LED Umbrella Light &ndash;4 X AA rechargeable Battery Operated and 6V AC, 1000mA specialized charger - Adjustable 2.3-5 cm to Fit Tightly Around Your Umbrella Pole - Cool White Color - Made of Tough ABS Material (Include Batteries) 24 High Flux LED Lights are equable Soft Irradiancy, No Glaring Eye Protection. High Flux LED Lights has 370LM. So it is more bright than normal led lights. And it can work more than 5000 hours. Powered by 4 X AA rechargeable batteries (include) and you can get over 8 hours of bright light. Also works with a 6V, 1000mA specialized charger (Include) while the power runs out of and can recharge the batteries at the same time. It is easy to install. No tools, cords or wires are required, easily grasps around the pole and snaps in place. Diameter 7.8 x 7.8 x 2 inches (D 20cm x H 4.5cm) Package including: one LED Umbrella Light, a specialized charger and 4 X AA rechargeable batteries.