The brightness is quite ok for the specified performance and corresponds as printed as a 12W halogen. The light color is a warm white but a little cooler than halogen, therefore fits the specification with 3000K. Have 9 pieces for a few months in bathroom and dining room in use and it even lights all.
Unfortunately, the flickering of the mains frequency can be seen, therefore, the points deduction. Flaring is under almost if other lamps in the room lit simultaneously that do not flicker. Supplement: The flickering probably falls on all men.