Gu4 mr11 4 w led reflector helso 60the led reflector bulb impresses with its long lifetime of max 30 000 hours it has a light distribution of 60 the bulb is also energy efficient and can be used to replaced traditional gu4 reflector bulbs of up to 50 watts the warm white luminous colour 3 000 k creates a cosy ambience within your four wallscharacteristics the led reflector bulb saves a considerable amount of energy second best eec a has a good light output of 320 lumens cannot be