Bicycle lights with two lights per set. Includes one clear headlight with a 20-lumen output, and one red tail light with a four-lumen light output. Two modes of operation, steady or flashing. Six to ten hour run time based on mode of operation.

• Each light powered by (2)CR2032 batteries, four batteries included
• Includes O-rings to fit any bar or post
• No tools required, easy to install