Recommended for umbrellas described below: 8’ / 9’ 8-Rib Wooden Umbrellas Dimension of Each Rib Tip (W x H): 1/2" x 7/8" (13 x 23 mm) Shape of Umbrella Ribs: Square Features: Solar-powered, energy-efficient, with low power consumption; energy saving Latest improved solar panel, high conversion rate and long usage time Red button to turn LED lights On / Off Simple to use Easy to install; includes 42 all-weather plastic clips to attach solar string lights strands onto umbrella ribs Specifications: Designed for 8 ft. / 9 ft. 8-Rib Outdoor Patio Wooden Umbrellas String Quantity: 8 (fit for 8-rib umbrellas) LED Light Color: Cool White LED Quantity: 40 Each String Length: 40 15/16" (104 cm) Solar Panel: 4.5V, 112mA Solar Panel Shell Material: ABS Solar Panel Size (D x H): 4 7/8" x 1 5/16" (124 x 34 mm) Battery: LiFePO4, 3.2V, 500mAh (pre-installed in the panel) Package Contents: 1x LED String Light 1x Solar Panel 1x Battery 1x Set of Mounting Base for Solar Panel 42x Plastic Clips 1x Manual IMPORTANT: **The solar panel and LED lights are NOT waterproof. Please do not expose it to rain or snow.** ***Umbrella is not included.***