Fireflyflux FFF-002 Patio Umbrella Accessories for Patio Umbrellas, Camping Tents 2015 gen2 design with 24 pcs super bright white LEDs(3 level dimmable) Nano-lens refractor system offers superior light control LED technology enable very low power consumption and ultra-long life time(50,000 hours) Durable thick ABS plastic housing for superior weather resistance