Introducing the Quad-Lit LED Lights by Birdi Disc Golf. These LED lights are designed to be adhere to the center of a disc for night play and can be used in a variety of creative ways. The on/off button located on the top lights to toggle lights on & off. This pack includes 8 lights with two of each color. Each circular light features 4 LED Lights that cycle through colors. This pack includes 8 lights. The adhesive backing Features a peel-back adhesive for easy application. No more time restrictions on playing Disc golf also check out our birdi beacon basket lights