High performance R7S halogen lamps: 300 W, 5900 lumens. Voltage: AC 220-240V. Length: 4.65 inches (118 mm). Direct replacement for all 118mm R7S double ended fittings. (Please measure your socket size before purchasing, only for 118mm base, not 78mm). Easy installation and durable: Diameter: 10mm, R7S double ended. Please check the original bulb size carefully before purchasing. Excellent brightness and long lifespan up to 1800 hours. Excellent performance: High quality R7S halogen bulb. Wide 360 degree beam angle. Type J 118mm double base 300 watt halogen bulb suitable for R7S base type. Transparent glass provides 2800K warm white light and delivers a CRI of 80, allowing clear color rendition of objects under illumination. Note: This bulb may become hot during operation due to the nature of halogen technology. R7S dimmable halogen bulbs for eye comfort: R7S J118 dimmable halogen 118mm 300W, compatible with dimmer switches to adjust brightness. Flicker-free operation helps reduce eye strain. Free from hazardous emissions, UV radiation, and IR radiation. Environmentally friendly lighting solution. Wide application: Suitable for use in floor lamps, projectors, construction spotlights, work lights, security lighting, showrooms, stage and studio lighting, office lighting, shop lighting, and landscape lighting.