LED Lights are NOT included and are sold SEPARATELY. This mount features an adjustable 2"-3" diameter bar clamp base. The base holds a 1" diameter ball which connects to a 3.69" long arm. At the end of the arm is another 1" diameter ball which connects to a small light mounting tab. Great for mounting a SRM, SRQ or D-Series light on a 2"-3" diameter pole with maximum adjustability.