Pack Of 3 Black Light 20 Watt BLB Spiral Energy Saving CFL Compact Fluorescent 75Watt Equivlent Light Bulb Medium Standard Base 120V Blacklight Blue 20-Watt, 75-Watt incandescent equivalent. 120 Volt, Medium E26 Base, Compact Fluorescent lighting Great way to repel insect outdoors, Perfect for residential or commercial use Use for: Halloween displays, Parties, Blacklight wall Posters and Paintings, Aquariums and more These party lights spiral bulbs give off uv light output, making them great for decor Black light lamps are great for Halloween decorations