High efficiency R7S halogen bulbs, 80W, 800 lumens. Voltage: 230V. Length: 3.07" (78mm). Direct replacement for all T3 78mm R7S double-ended sockets. Average lifespan of 2500 hours, reducing the frequency of bulb replacements. (Please measure the size of your lamp base before purchasing. Compatible only with 78mm base, not 118mm.) Excellent performance with high-quality eco-halogen technology. 360-degree wide beam angle. 78mm, 80-watt J-type double-ended halogen bulb suitable for R7S base. Clear glass construction delivers 2700K warm white (amber) lighting and a CRI of 99, enhancing color vibrancy of objects under illumination. May generate heat during operation due to inherent characteristics of halogen technology. Dimmable R7S halogen bulb for 78mm base, allowing brightness adjustment via compatible dimmer. Flicker-free operation helps support visual comfort. Free of hazardous emissions. No UV or IR radiation. (Note: The 80W R7S floodlight bulb may appear less bright at long distances compared to other types of floodlights with similar wattage.) Wide application: R7S 78mm T3 halogen bulbs are suitable for home, shop, and office spotlights, task lighting, security lighting, showrooms, stage and studio lighting, floor lamps, and landscape lighting. Designed for reliable performance. One-year warranty included. 90-day hassle-free return or replacement policy. For product support, contact the seller through Amazon messaging.