Self-adjusting clamps can fit any sized pole of market umbrella from dia 20MM to 50MM, and can be opened, installed and locked onto the pole easily. Twenty-four long life LEDS provides even, soft and nature-like light from four spot bases,The life span of our super bright LED is about 100000 hours.When you are enjoying the leisure outdoor, or when travelling outside at night, which will be more helpful for you. LED Qty:24 Super 4pin LEDS LED colour:white casing mterial:ABS Casing color:brown/white/beige Lamp color:white Size:200MM Diameter Weight:0.8kgs AC Adapter:4.8V with a charger (4pcs storage batteries)