High efficiency R7S halogen bulbs 80W 800 Lumens. Voltage: 230V. Length: 3.07" (78mm). Direct replacement for all T3 78mm R7S double ended sockets. Lasts an average lifespan of 2500 hours, reducing the frequency of bulb changes. (Please measure the size of your lamp base before purchasing. For 78mm base only, not compatible with 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 lighting and a CRI of 99, enhancing color vibrancy of objects. Note: Bulb may become hot during operation due to halogen technology. Dimmable R7S halogen bulb for use with compatible dimmer switches. Allows brightness adjustment. Flicker-free operation. No hazardous emissions, UV, or IR radiation. (Note: 80W R7S bulb may appear less bright at long distances compared to other floodlight types 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: Designed for reliable performance. Offers one-year warranty and 90-day money-back guarantee or free exchange. For any questions, directly.