These masterplug led m16 truefit bulbs offer a true halogen appearance and will retrofit any current mr16 halogen lamp whilst giving a 90 energy saving versus halogen the improved edge2edge lens design drastically reduces lamp bezel edge to improve aesthetics when lit or unlit the bulbs are a43 rated with a 38 beam angle and are non dimmable specification fitting mr16input wattage 5 watt lumens of light 370 35 watt equivalent colour temperature 2700k warm white switching cycles 15000rated a