27 Watt compact fluorescent replaces 100 Watt incandescent light bulb. Warm White 2700K color temperature matches incandescent light and is ideal for homes, restaurants, hotel lobbies, and boutiques. Suitable for floor lamps, table lamps, wall sconces, ceiling fans, and most places where traditional lighting sources are used. DO NOT USE IN totally enclosed, glass trim covered, recessed downlights. Such use voids manufacturer warranty.