Usage Tips: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 beam angle. Type J 118mm double base 300 watt halogen bulb suitable for R7s base type. This is a transparent glass that provides 2800K warm white with all appropriate lights and provides CRI 80 which allows us to see the brilliance of the colors of objects under this light. At some time, it will be hot due to the characteristics of the halogen bulb.R7S dimmable halogen bulbs for eye protection: R7S J118 dimmable halogen 118mm 300W, which can adjust the brightness of the light via a dimmer. No flicker, protect your eyes and care for your family. No hazardous emissions, no UV or IR radiation, perfect light source for environmental protection.Wide application of R7s halogen bars: R7S 118mm halogen lamp for projectors for home, office shop and office, halogen construction spotlight, work and security lighting, showroom, stage and studio lighting, floor lamps, landscape lighting, etc.