These masterplug led gu10 true fit wide angle bulbs replicate traditional halogen bulbs in appearance and output featuring upgraded ic driver technology providing a 90 energy saving versus their halogen equivalents the sparkling edge2edge lens maximise illumination and have a warm white 2700k colour temperature the bulbs are a43 rated with a 100 beam angle for maximum light distribution and reduces shadow spots they have an average rated life of 25000 hours and are non dimmable specification f