Energy-efficeient & Bright - 250W, 3649 Lumens, 78mm (3") halogen floodlight bulb. Dimmable for energy savings. High stability, flicker-free, and eye-protective. Ensure your fixture's base is 78mm (3"), not 118mm, for perfect fit. Please measure original bulb size before purchase to avoid incompatibility. 2700K Warm White Halogen Lamp - J-type, 78mm R7s base halogen bulbs with clear glass finish. Delivers 2700K warm white light, 360° beam angle and boasts a CRI 99 for vibrant, true-to-life colors,creating a cosy & warming atmosphere for your home or yard. Dimmable R7S Halogen Bulb - Compatible with most dimmers, allowing you to adjust brightness from 10% to 100%. Customize your lighting ambiance with the 78mm R7S halogen bulb, setting the perfect mood for every occasion. Long Lifespan - 78mm R7S quartz tube lamps boast high-quality tungsten wire and clear glass construction, ensuring a lifespan of over 3000 hours. This reduces replacement and maintenance costs, offering long-lasting performance. Versatile Applications - R7S J78 J-Type Double Ended Base halogen bulbs for hassle-free installation. Ideal for Floodlights in Homes, Shops, Offices, Security and Work Lights, Pool Lights, Showrooms, Stage and Studio Lighting, Floor Lamps, and Landscape Illumination.