3 LED lights illuminate the cooking surface of your Weber Q.Fits all Q series EXCEPT Q300 & Q320. (The Q300 & Q320 are easy to identify - they have a two knobs to control the burner. All others listed below have one knob)Fits Q100, Q120, Q140, Q200, Q220 & Q240.The light mounts behind the handle. The mounting holes are 5 1/2" apart on centre.