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.
I purchased this to replace the bulb in my make-up mirror. It is marked with the right voltage, diameter, and has the 4 prongs I needed but when I switched out the burned out bulb this replacement did not work.