The TCP 11323-27 SpringLamp CFLs feature Amalgam Technology which provides cooler operating temperatures for consistent performance in any position. Suitable for floor lamps, table lamps, wall sconces, ceiling fans, and most places where traditional lighting sources are used, this TCP 11323-27 a-shape CFL operates at 120 volts and emits warm white 2700K color temperature. This 23-watt compact fluorescent replaces a 100-watt incandescent light bulb and saves up to 75 percent in energy costs. The medium (E26) base will fit any standardized line voltage socket. Ideal for homes, restaurants, hotel lobbies, and boutiques.