The new Golden Glass Design Filament-type brilliant E27 ST64 Led home light bulb is 6.5W and 810Lm luminance. Bulb type ST64, light color 2200k (Warm white) The bulb is capable of replacing an old type filament lamp of 70W. Filament diode With gentle electrolux. The energy efficiency of light bulbs is expressed in lm / W. There are currently a number of different bulbs with different efficiencies. Energy-efficient LED bulbs are on average 5 to 10 times more efficient than a filament lamp. Consequently, LED bulbs reduce energy consumption and costs by 50-90% compared to a standard lighting solution.