Satco 100 Watt ET23-1/2 Mogul High-Pressure Sodium High-Intensity Light Bulb is an efficient lightbulb designed for a variety of applications, making it an excellent choice for outdoor security light fixtures. This bulb high efficacy and a long lifespan, ensuring reliable performance over time. It operates universally in any position, adding to its versatility. With a warm color temperature of 2100K, it emits a stylish and comfortable warm white light that enhances the ambiance of any space. The clear finish of the bulb helps diffuse light evenly while reducing glare, providing smooth and balanced illumination. Whether you want to create a relaxing atmosphere or highlight specific areas, this high-intensity light bulb is up to the task. Model Number: S1931