Satco 35 Watts ED17 Medium High-Pressure Sodium HID Light Bulb is an efficient lightbulb designed for a variety of applications, making it for outdoor security lighting, parking lot lighting, and roadway lighting. This bulb high efficacy and a long lifespan, ensuring reliable performance over time. It operates in a universal position, providing flexibility in installation. With a warm white color temperature of 2100K, it creates a stylish and comfortable atmosphere. The clear finish helps diffuse the light, reducing glare and delivering even illumination. Whether you want to create a relaxing ambiance or highlight a specific area, this light bulb is up to the task. Model Number: S3130