Efficient R7S halogen lamp: 500W lumens. Voltage: 230V. Length: 4.65 inches (118 mm). Directly replaces all 118mm R7S T3 double-ended bases. The average lifespan is 2500 hours, reducing the replacement frequency of R7S halogen lamps. (Please measure the size of the lamp base before purchasing, only applicable to 118mm lamp bases, not 78mm) [Excellent performance] High-quality environmentally friendly halogen. 360 wide beam angle. 118mm, 500 watt, J-type double-ended halogen lamp suitable for R7S socket. This is a transparent glass that provides 2700K warm white (yellow) lighting and all appropriate lighting, as well as CRI 99, which allows us to see the object's brightness under that light. Due to the characteristics of halogen lamps, they sometimes get hot. Variable intensity R7S halogen lamp for eye protection: 118mm variable intensity R7S J118 halogen rod, which can adjust the brightness with a dimmer. No flicker, protects your eyes. No hazardous emissions, no ultraviolet or infrared radiation. (Please note that the 150W R7S projector lamp will not be as bright as a projector of the same power when used over long distances) Widely used R7S halogen lamp R7S 118mm T3 halogen lamp, used for home, shop and office spotlights, floodlights, work and security lighting, exhibition hall, stage and studio lighting, street lighting, landscape lighting, etc.