LED Dock light that easily retrofits to most existing dock light arms, 4000K (warmer white) reduces glare found in other models offering 5700K and higher. Extremely durable aluminum housing, impact-resistant clear polycarbonate lens. Safety yellow powder coat finish. Unlike conventional lamps, LEDs have no filament, therefore they are far more likely to survive an accidental impact. 18' cord with a recessed 3 prong IEC-type plug (120 V, 60 Hz). Retrofits to most existing dock light arms Extremely durable aluminum housing with a yellow powder coat paint finish Impact-resistant clear polycarbonate lens