Westinghouse 0318600 Double-Ended LED Light Bulb with RSC Base, 5W, Warm White Instant-on warm white Double-Ended LED, 5 watt replaces 40 watt halogen bulb Reduces energy and operating costs 88% compared to halogen Bulb life of 22 years (25,000 average rated hours) is longer than conventional lighting Use for task, accent lighting and security lighting LEDs contain no harmful mercury