Star Marker Lamp: 24V/5W with Macra Bulb (Bulb Standard: 28 x 8), Color: Yellow/Green/Blue/Orange, Red, Main Unit: Steel Plating, Frame: Stainless Steel, Lens: Heat Resistant Resin Polycarbonate, Size: Maximum Width 3.5 inches (90 mm), Thickness: Approx. 1.3 inches (34 mm).