Rectangular shaped light has 10 LEDs with 5 on each side of the light encased in a black housing. The lights are angled to give a larger array of light. Measures 2 inches x 1 ? inches and has a 36 inch lead wire. Single. WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov This warning is being provided to comply with the State of California's Proposition 65.