Headlight in steel with lower coupler. Complete with guard grille and amber parable. Mounts a H4 bulb 12 VOLTS 60/55 watts. Measures: External diameter: 6.2 "(157 mm) Depth: 3.75"(95mm) bottom mounting pin M10. N.B. the beacon is supplied unmounted and is therefore to be assembled as indicated in the instructions that you will find by clicking on the button "instructions".