High efficiency R7S halogen bulbs 300W 3000 lumens. Voltage: 230V. Length: 4.65" (118mm). Direct replacement for all T3 118mm R7S double-ended sockets. Average lifespan of 2500 hours, reducing the frequency of bulb changes. (Please measure your lamp base before purchasing. Compatible only with 118mm base, not 78mm.) High-quality eco-halogen with excellent performance. 360-degree wide beam angle. 118mm 300-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 generate heat during operation, which is normal for halogen bulbs. Dimmable R7S halogen bulb allows brightness adjustment via a compatible dimmer. Flicker-free operation. No hazardous emissions, UV, or IR radiation. (Note: The 300W R7S floodlight bulb may appear less bright at long distances compared to other types of floodlights with the same wattage.) Suitable for home, shop, and office spotlights, task lighting, security lighting, showrooms, stage and studio lighting, floor lamps, and landscape lighting. We offer a one-year warranty and a 90-day 100% refund or free exchange policy. For any questions, please .