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 bought 40 of these to replace the halogen downlights in my house. Not only are they brighter than the halogens at around 1/5 the energy consumption, the build quality seems good and they were very simple to install.