This 7.5-watt bulb produces soft, white light that adds gentle, decorative illumination where you need it. The Philips night light has a sleek, compact design--great for night lights and small lamps. Provides ideal light for night time safety, convenience and security. Features a Medium Screw base. Long-lasting bulb design lasts more than two-and-a-half years, if used for up to three hours per day. Philips reuses as much glass and packaging material as possible, reducing environmental impact. Estimated annual energy cost of $0.90 (based on three hours/day). This product ships as a single bulb.