Gu4 4w 12v led reflector bulb with a beam angle of 25with its 4 watts this small led reflector bulb can replace standard halogen reflectors of up to 29 watts and will save considerable energy in the process besides the great energy savings the reflector bulb emits lovely warm white lighting 2 700 k to enhance the homely ambience characteristics the led reflector bulb is very energy efficient eec a offers great colour rendering colour rendering index ra80 provides light for aroun