This is a half kit for Replacing a single LED Pipe Light. The oval red Light is sonicly sealed into a PVC housing which mounts on 2 inch PVC (2 3/8 outside diameter), but can be adapted to mount on other sized PVC uprights. LED lights, colored red, are the brightest lights available and are rated to 100,000 hours. The Light performs Brake Lights, Turning, and running light functions. This Half Kit includes: One Pipe Light PVC Housing, One Red LED Pipe lights, One Side Wiring Harness.