SEACHOICE 52531: Sealed Marker/Clearance LightRedDesigned for 12V SystemsMeets the requirements of SAE/DOT/FMVSS/CMVSS standards when properly installedSonically sealed, waterproofStud-MountPolycarbonate lens and housing, stainless steel baseSingle wire design grounds through mounting hardwareSize: 2.063″ x .688″ x 1″