Save your money & Much more brightness: Replace 40/60W traditional halogen bulb by 7W 630lm , save 90% on electricity bill of lighting, and high lumens bright enough to replace/retrofit/upgrade for any 12 volt E26/E27 socket.
Healthy and comfortable lighting, color similar to halogen: High CRI 80Ra, 2700K soft warm white color, NO UV, NO any noise, NO Flickering, No heat, creat a health and real warm visual