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 changes. (Please measure your lamp base before purchasing. For 78mm base only, not compatible with 118mm.) High-quality eco-halogen performance. 360-degree wide beam angle. 78mm 80-watt J-type double-ended halogen bulb suitable for R7S base. Clear glass provides 2700K warm white lighting and a CRI of 99 for accurate color representation. May become hot during operation due to halogen technology. Dimmable R7S halogen bulb compatible with dimmer switches for adjustable brightness. Flicker-free operation. No hazardous emissions, UV, or IR radiation. (Note: 80W R7S bulb may appear less bright at long distances compared to other floodlights of the same wattage.) Wide application: Suitable for home, shop, and office spotlights, task and security lighting, showrooms, stage and studio lighting, floor lamps, and landscape lighting. Buy with confidence. One-year warranty and 90-day money-back guarantee or free exchange. For any questions, please .