To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Of the eight bulbs ordered, only one did not rattle when rotated upside down. Damaged could have been done in shipping. Light brightness was poor, more of a low level warm light color rather than the cool light color as described. Items were returned.