The product is a 4 pack of Sylvania BlackLight black light bulbs, each with a wattage of 60W and a lifespan of 1000 hours. These bulbs are designed for indoor use and operate at a voltage of 125 volts. The black color and clear finish give them a unique and eye-catching look, perfect for creating a blacklight effect in various settings. The standard A19 bulb shape ensures compatibility with most lighting fixtures, making them a versatile and reliable lighting solution for any home or space.