4.25inch， Round ShapeDC 12V /24V， 27W=9pcs*3w LEDsLight Color White=6000K��500KLight Beam: Spot beam=30 DegreeTheoretical Lumens:2700lm��200lm. Operating Lumens 2150lm��200lmMaterial: Alloy Housing， PMMA or PC Surface LensSt