Our Lobe Lights can be worn in the hair, on clothes, backpacks, or anywhere your imagination can think of to clip one to. They flash alternating colors red and green, creating a strobing effect. Be the rave of your next party with our Lobe Lights. Each lobe light comes with two replaceable AG3 batteries for up to 24 hours of continuous use. Comes 1 single lobe light per package.