Dimensions:OD 4.75″Cutout 3.25″Recess depth 1.0″Profile 0.5″Specifications:12-24 volt dc (10-30vdc acceptable)Multiple LED choices (see Bulb detail).Warm white 3200k +/- 10%, cool white 6500k +/- 8%Colors:Bezel Color: White, Chrome colored plasticAdditional Details:Screw Mount – 3 holes on 3.42″ (87mm) equilateral triangleDry location onlyOptional Toggle Switch