The Linear Tungsten Halogen Light Bulb by Heathfield offers warm white light with a colour temperature of 2700K. These bulbs are available in various wattages ranging from 150w to 400w, providing a bright and energy-efficient illumination. With a lifespan of 1,000-1,999 hours and features such as energy-saving and dimmable functionality, these R7s bulbs are a reliable choice for home lighting needs. Made of glass and featuring a clear finish, these halogen bulbs are designed for optimal performance and longevity.