(3) Wavelength: 39 5nm(50W/100W/200W/300W), 3 65+395nm(300W ). 7) Waterproof Level: IP65. Special heat sink fins. 1PC 50W/100W/ 200W/300W UV light. Perfect for Christmas, Halloween, Club, Party, Aquarium, Fishing, Special Effects, Band, Theatrical Performances, etc.